113149579 has 4 divisors (see below), whose sum is σ = 119104840. Its totient is φ = 107194320.

The previous prime is 113149573. The next prime is 113149583. The reversal of 113149579 is 975941311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 975941311 = 53 ⋅18413987.

It is a cyclic number.

It is not a de Polignac number, because 113149579 - 2⁷ = 113149451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113149573) 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, 2977602 + ... + 2977639.

It is an arithmetic number, because the mean of its divisors is an integer number (29776210).

Almost surely, 2^113149579 is an apocalyptic number.

113149579 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

113149579 is a deficient number, since it is larger than the sum of its proper divisors (5955261).

113149579 is an equidigital number, since it uses as much as digits as its factorization.

113149579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5955260.

The product of its digits is 34020, while the sum is 40.

The square root of 113149579 is about 10637.1790903416. The cubic root of 113149579 is about 483.6720380831.

The spelling of 113149579 in words is "one hundred thirteen million, one hundred forty-nine thousand, five hundred seventy-nine".