207274138 has 8 divisors (see below), whose sum is σ = 311019732. Its totient is φ = 103600896.

The previous prime is 207274129. The next prime is 207274169. The reversal of 207274138 is 831472702.

It can be written as a sum of positive squares in 2 ways, for example, as 207273609 + 529 = 14397^2 + 23^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10245 + ... + 22792.

Almost surely, 2^207274138 is an apocalyptic number.

207274138 is a deficient number, since it is larger than the sum of its proper divisors (103745594).

207274138 is a wasteful number, since it uses less digits than its factorization.

207274138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36176.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 207274138 is about 14397.0183718713. The cubic root of 207274138 is about 591.8091913829.

The spelling of 207274138 in words is "two hundred seven million, two hundred seventy-four thousand, one hundred thirty-eight".