374681138 has 8 divisors (see below), whose sum is σ = 605254188. Its totient is φ = 172929744.

The previous prime is 374681137. The next prime is 374681141. The reversal of 374681138 is 831186473.

It can be written as a sum of positive squares in 2 ways, for example, as 350700529 + 23980609 = 18727^2 + 4897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 374681095 and 374681104.

It is not an unprimeable number, because it can be changed into a prime (374681137) 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, 7205381 + ... + 7205432.

Almost surely, 2^374681138 is an apocalyptic number.

374681138 is a deficient number, since it is larger than the sum of its proper divisors (230573050).

374681138 is a wasteful number, since it uses less digits than its factorization.

374681138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14410828.

The product of its digits is 96768, while the sum is 41.

The square root of 374681138 is about 19356.6819987311. The cubic root of 374681138 is about 720.9203367142.

The spelling of 374681138 in words is "three hundred seventy-four million, six hundred eighty-one thousand, one hundred thirty-eight".