138054996 has 24 divisors (see below), whose sum is σ = 357920640. Its totient is φ = 46018296.

The previous prime is 138054989. The next prime is 138055009. The reversal of 138054996 is 699450831.

It is a happy number.

138054996 is a `hidden beast` number, since 13 + 8 + 0 + 549 + 96 = 666.

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, 639036 + ... + 639251.

It is an arithmetic number, because the mean of its divisors is an integer number (14913360).

Almost surely, 2^138054996 is an apocalyptic number.

It is an amenable number.

138054996 is an abundant number, since it is smaller than the sum of its proper divisors (219865644).

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

138054996 is a wasteful number, since it uses less digits than its factorization.

138054996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278300 (or 1278292 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 138054996 is about 11749.6806765120. The cubic root of 138054996 is about 516.8335634715.

The spelling of 138054996 in words is "one hundred thirty-eight million, fifty-four thousand, nine hundred ninety-six".