135556637910 has 32 divisors (see below), whose sum is σ = 342458876160. Its totient is φ = 34245887328.

The previous prime is 135556637903. The next prime is 135556637927. The reversal of 135556637910 is 19736655531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118908762 + ... + 118909901.

It is an arithmetic number, because the mean of its divisors is an integer number (10701839880).

Almost surely, 2^135556637910 is an apocalyptic number.

135556637910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135556637910 is an abundant number, since it is smaller than the sum of its proper divisors (206902238250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135556637910 is a wasteful number, since it uses less digits than its factorization.

135556637910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237818692.

The product of its (nonzero) digits is 2551500, while the sum is 51.

The spelling of 135556637910 in words is "one hundred thirty-five billion, five hundred fifty-six million, six hundred thirty-seven thousand, nine hundred ten".