374681137 has 2 divisors, whose sum is σ = 374681138. Its totient is φ = 374681136.

The previous prime is 374681117. The next prime is 374681141. The reversal of 374681137 is 731186473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261662976 + 113018161 = 16176^2 + 10631^2 .

It is a cyclic number.

It is not a de Polignac number, because 374681137 - 2¹¹ = 374679089 is a prime.

It is a super-2 number, since 2×374681137² = 280771908847225538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 374681137.

It is not a weakly prime, because it can be changed into another prime (374681107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187340568 + 187340569.

It is an arithmetic number, because the mean of its divisors is an integer number (187340569).

Almost surely, 2^374681137 is an apocalyptic number.

It is an amenable number.

374681137 is a deficient number, since it is larger than the sum of its proper divisors (1).

374681137 is an equidigital number, since it uses as much as digits as its factorization.

374681137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 374681137 is about 19356.6819729002. The cubic root of 374681137 is about 720.9203360729.

The spelling of 374681137 in words is "three hundred seventy-four million, six hundred eighty-one thousand, one hundred thirty-seven".