138056435 has 32 divisors (see below), whose sum is σ = 187142400. Its totient is φ = 96888960.

The previous prime is 138056393. The next prime is 138056441. The reversal of 138056435 is 534650831.

138056435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 138056435 - 2¹² = 138052339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138056395 and 138056404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364076 + ... + 364454.

It is an arithmetic number, because the mean of its divisors is an integer number (5848200).

Almost surely, 2^138056435 is an apocalyptic number.

138056435 is a deficient number, since it is larger than the sum of its proper divisors (49085965).

138056435 is a wasteful number, since it uses less digits than its factorization.

138056435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 138056435 is about 11749.7419120592. The cubic root of 138056435 is about 516.8353591832.

The spelling of 138056435 in words is "one hundred thirty-eight million, fifty-six thousand, four hundred thirty-five".