236136005638 has 16 divisors (see below), whose sum is σ = 381460524480. Its totient is φ = 108982976256.

The previous prime is 236136005627. The next prime is 236136005681. The reversal of 236136005638 is 836500631632.

It is a junction number, because it is equal to n+sod(n) for n = 236136005594 and 236136005603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133206 + ... + 1325302.

It is an arithmetic number, because the mean of its divisors is an integer number (23841282780).

Almost surely, 2^236136005638 is an apocalyptic number.

236136005638 is a deficient number, since it is larger than the sum of its proper divisors (145324518842).

236136005638 is a wasteful number, since it uses less digits than its factorization.

236136005638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239391.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 236136005638 in words is "two hundred thirty-six billion, one hundred thirty-six million, five thousand, six hundred thirty-eight".