374817138 has 16 divisors (see below), whose sum is σ = 754125120. Its totient is φ = 124190576.

The previous prime is 374817137. The next prime is 374817143. The reversal of 374817138 is 831718473.

It is a happy number.

It is a super-2 number, since 2×374817138² = 280975773877022088, 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 374817138.

It is not an unprimeable number, because it can be changed into a prime (374817133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186033 + ... + 188036.

It is an arithmetic number, because the mean of its divisors is an integer number (47132820).

Almost surely, 2^374817138 is an apocalyptic number.

374817138 is an abundant number, since it is smaller than the sum of its proper divisors (379307982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

374817138 is a wasteful number, since it uses less digits than its factorization.

374817138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374241.

The product of its digits is 112896, while the sum is 42.

The square root of 374817138 is about 19360.1946787732. The cubic root of 374817138 is about 721.0075515889.

The spelling of 374817138 in words is "three hundred seventy-four million, eight hundred seventeen thousand, one hundred thirty-eight".