135615387010 has 32 divisors (see below), whose sum is σ = 251300989872. Its totient is φ = 52654613760.

The previous prime is 135615386953. The next prime is 135615387013. The reversal of 135615387010 is 10783516531.

It can be written as a sum of positive squares in 8 ways, for example, as 69315831841 + 66299555169 = 263279^2 + 257487^2 .

It is not an unprimeable number, because it can be changed into a prime (135615387013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279537 + ... + 591076.

Almost surely, 2^135615387010 is an apocalyptic number.

135615387010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135615387010 is a deficient number, since it is larger than the sum of its proper divisors (115685602862).

135615387010 is a wasteful number, since it uses less digits than its factorization.

135615387010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871078.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 135615387010 in words is "one hundred thirty-five billion, six hundred fifteen million, three hundred eighty-seven thousand, ten".