138435695098432 has 28 divisors (see below), whose sum is σ = 277275700067760. Its totient is φ = 68570951774336.

The previous prime is 138435695098409. The next prime is 138435695098453. The reversal of 138435695098432 is 234890596534831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10107739582 + ... + 10107753277.

Almost surely, 2^{138435695098432} is an apocalyptic number.

It is an amenable number.

138435695098432 is an abundant number, since it is smaller than the sum of its proper divisors (138840004969328).

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

138435695098432 is a wasteful number, since it uses less digits than its factorization.

138435695098432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20215492978 (or 20215492968 counting only the distinct ones).

The product of its (nonzero) digits is 671846400, while the sum is 70.

The spelling of 138435695098432 in words is "one hundred thirty-eight trillion, four hundred thirty-five billion, six hundred ninety-five million, ninety-eight thousand, four hundred thirty-two".