113540499239 has 4 divisors (see below), whose sum is σ = 115235133624. Its totient is φ = 111845864856.

The previous prime is 113540499203. The next prime is 113540499251. The reversal of 113540499239 is 932994045311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113540499239 - 2³⁶ = 44821022503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113540499139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847317092 + ... + 847317225.

It is an arithmetic number, because the mean of its divisors is an integer number (28808783406).

Almost surely, 2^113540499239 is an apocalyptic number.

113540499239 is a deficient number, since it is larger than the sum of its proper divisors (1694634385).

113540499239 is an equidigital number, since it uses as much as digits as its factorization.

113540499239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694634384.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The spelling of 113540499239 in words is "one hundred thirteen billion, five hundred forty million, four hundred ninety-nine thousand, two hundred thirty-nine".