1900107861136 has 15 divisors (see below), whose sum is σ = 3681469663923. Its totient is φ = 950051173680.

The previous prime is 1900107861131. The next prime is 1900107861137. The reversal of 1900107861136 is 6311687010091.

The square root of 1900107861136 is 1378444.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1900107861136² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1900107861092 and 1900107861101.

It is not an unprimeable number, because it can be changed into a prime (1900107861131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5341471 + ... + 5686081.

Almost surely, 2^{1900107861136} is an apocalyptic number.

1900107861136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1900107861136 is the 1378444-th square number.

It is an amenable number.

1900107861136 is a deficient number, since it is larger than the sum of its proper divisors (1781361802787).

1900107861136 is an frugal number, since it uses more digits than its factorization.

1900107861136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689230 (or 344613 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 1900107861136 in words is "one trillion, nine hundred billion, one hundred seven million, eight hundred sixty-one thousand, one hundred thirty-six".