137911899 has 8 divisors (see below), whose sum is σ = 193560640. Its totient is φ = 87102216.

The previous prime is 137911889. The next prime is 137911957. The reversal of 137911899 is 998119731.

It is a happy number.

137911899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137911899 - 2¹¹ = 137909851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137911859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209697 + ... + 1209810.

It is an arithmetic number, because the mean of its divisors is an integer number (24195080).

Almost surely, 2^137911899 is an apocalyptic number.

137911899 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

137911899 is a deficient number, since it is larger than the sum of its proper divisors (55648741).

137911899 is a wasteful number, since it uses less digits than its factorization.

137911899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419529.

The product of its digits is 122472, while the sum is 48.

The square root of 137911899 is about 11743.5896982141. The cubic root of 137911899 is about 516.6549320031.

The spelling of 137911899 in words is "one hundred thirty-seven million, nine hundred eleven thousand, eight hundred ninety-nine".