115390837 has 2 divisors, whose sum is σ = 115390838. Its totient is φ = 115390836.

The previous prime is 115390823. The next prime is 115390841. The reversal of 115390837 is 738093511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74545956 + 40844881 = 8634^2 + 6391^2 .

It is a cyclic number.

It is not a de Polignac number, because 115390837 - 2²³ = 107002229 is a prime.

It is a pancake number, because a pancake can be divided into 115390837 parts by 15191 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 115390796 and 115390805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115300837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57695418 + 57695419.

It is an arithmetic number, because the mean of its divisors is an integer number (57695419).

Almost surely, 2^115390837 is an apocalyptic number.

It is an amenable number.

115390837 is a deficient number, since it is larger than the sum of its proper divisors (1).

115390837 is an equidigital number, since it uses as much as digits as its factorization.

115390837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 115390837 is about 10742.0127071234. The cubic root of 115390837 is about 486.8446940993.

The spelling of 115390837 in words is "one hundred fifteen million, three hundred ninety thousand, eight hundred thirty-seven".