113437439 has 2 divisors, whose sum is σ = 113437440. Its totient is φ = 113437438.

The previous prime is 113437433. The next prime is 113437469. The reversal of 113437439 is 934734311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113437439 - 2¹⁶ = 113371903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113437399 and 113437408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113437433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56718719 + 56718720.

It is an arithmetic number, because the mean of its divisors is an integer number (56718720).

Almost surely, 2^113437439 is an apocalyptic number.

113437439 is a deficient number, since it is larger than the sum of its proper divisors (1).

113437439 is an equidigital number, since it uses as much as digits as its factorization.

113437439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 113437439 is about 10650.7013384096. The cubic root of 113437439 is about 484.0818552789.

The spelling of 113437439 in words is "one hundred thirteen million, four hundred thirty-seven thousand, four hundred thirty-nine".