113097391 has 16 divisors (see below), whose sum is σ = 125971200. Its totient is φ = 100676800.

The previous prime is 113097323. The next prime is 113097451. The reversal of 113097391 is 193790311.

It is a cyclic number.

It is not a de Polignac number, because 113097391 - 2¹³ = 113089199 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 (113097301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139395 + ... + 140203.

It is an arithmetic number, because the mean of its divisors is an integer number (7873200).

Almost surely, 2^113097391 is an apocalyptic number.

113097391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113097391 is the 5685-th centered heptagonal number.

113097391 is a deficient number, since it is larger than the sum of its proper divisors (12873809).

113097391 is a wasteful number, since it uses less digits than its factorization.

113097391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 113097391 is about 10634.7257134352. The cubic root of 113097391 is about 483.5976652682.

The spelling of 113097391 in words is "one hundred thirteen million, ninety-seven thousand, three hundred ninety-one".