113720638435 has 16 divisors (see below), whose sum is σ = 137896701696. Its totient is φ = 90023820768.

The previous prime is 113720638393. The next prime is 113720638439. The reversal of 113720638435 is 534836027311.

It is a cyclic number.

It is not a de Polignac number, because 113720638435 - 2²⁹ = 113183767523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113720638391 and 113720638400.

It is not an unprimeable number, because it can be changed into a prime (113720638439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352042 + ... + 592768.

It is an arithmetic number, because the mean of its divisors is an integer number (8618543856).

Almost surely, 2^113720638435 is an apocalyptic number.

113720638435 is a deficient number, since it is larger than the sum of its proper divisors (24176063261).

113720638435 is a wasteful number, since it uses less digits than its factorization.

113720638435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241722.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 113720638435 in words is "one hundred thirteen billion, seven hundred twenty million, six hundred thirty-eight thousand, four hundred thirty-five".