156635113 has 2 divisors, whose sum is σ = 156635114. Its totient is φ = 156635112.

The previous prime is 156635077. The next prime is 156635131. The reversal of 156635113 is 311536651.

Together with next prime (156635131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79423744 + 77211369 = 8912^2 + 8787^2 .

It is an emirp because it is prime and its reverse (311536651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 156635113 - 2⁹ = 156634601 is a prime.

It is not a weakly prime, because it can be changed into another prime (156635153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78317556 + 78317557.

It is an arithmetic number, because the mean of its divisors is an integer number (78317557).

Almost surely, 2^156635113 is an apocalyptic number.

It is an amenable number.

156635113 is a deficient number, since it is larger than the sum of its proper divisors (1).

156635113 is an equidigital number, since it uses as much as digits as its factorization.

156635113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 31.

The square root of 156635113 is about 12515.3950397101. The cubic root of 156635113 is about 539.0508165494.

The spelling of 156635113 in words is "one hundred fifty-six million, six hundred thirty-five thousand, one hundred thirteen".