368136257 has 4 divisors (see below), whose sum is σ = 373630896. Its totient is φ = 362641620.

The previous prime is 368136239. The next prime is 368136283. The reversal of 368136257 is 752631863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 368136257 - 2¹⁰ = 368135233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (368136217) 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, 2747219 + ... + 2747352.

It is an arithmetic number, because the mean of its divisors is an integer number (93407724).

Almost surely, 2^368136257 is an apocalyptic number.

It is an amenable number.

368136257 is a deficient number, since it is larger than the sum of its proper divisors (5494639).

368136257 is an equidigital number, since it uses as much as digits as its factorization.

368136257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5494638.

The product of its digits is 181440, while the sum is 41.

The square root of 368136257 is about 19186.8772081337. The cubic root of 368136257 is about 716.6980080999.

The spelling of 368136257 in words is "three hundred sixty-eight million, one hundred thirty-six thousand, two hundred fifty-seven".