138974196 has 24 divisors (see below), whose sum is σ = 324534784. Its totient is φ = 46287360.

The previous prime is 138974179. The next prime is 138974207. The reversal of 138974196 is 691479831.

It is a happy number.

It is a congruent 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, 13716 + ... + 21588.

Almost surely, 2^138974196 is an apocalyptic number.

It is an amenable number.

138974196 is an abundant number, since it is smaller than the sum of its proper divisors (185560588).

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

138974196 is a wasteful number, since it uses less digits than its factorization.

138974196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9351 (or 9349 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 138974196 is about 11788.7317384017. The cubic root of 138974196 is about 517.9780902367.

The spelling of 138974196 in words is "one hundred thirty-eight million, nine hundred seventy-four thousand, one hundred ninety-six".