369974138 has 16 divisors (see below), whose sum is σ = 560226240. Its totient is φ = 183240096.

The previous prime is 369974123. The next prime is 369974149. The reversal of 369974138 is 831479963.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102773 + ... + 106311.

It is an arithmetic number, because the mean of its divisors is an integer number (35014140).

Almost surely, 2^369974138 is an apocalyptic number.

369974138 is a deficient number, since it is larger than the sum of its proper divisors (190252102).

369974138 is a wasteful number, since it uses less digits than its factorization.

369974138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021.

The product of its digits is 979776, while the sum is 50.

The square root of 369974138 is about 19234.7117992446. The cubic root of 369974138 is about 717.8887082672. Note that the first 3 decimals are identical.

The spelling of 369974138 in words is "three hundred sixty-nine million, nine hundred seventy-four thousand, one hundred thirty-eight".