138752614 has 48 divisors (see below), whose sum is σ = 284464656. Its totient is φ = 49896000.

The previous prime is 138752597. The next prime is 138752671. The reversal of 138752614 is 416257831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9064 + ... + 18964.

It is an arithmetic number, because the mean of its divisors is an integer number (5926347).

Almost surely, 2^138752614 is an apocalyptic number.

138752614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

138752614 is an abundant number, since it is smaller than the sum of its proper divisors (145712042).

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

138752614 is a wasteful number, since it uses less digits than its factorization.

138752614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9941 (or 9934 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 138752614 is about 11779.3299469876. The cubic root of 138752614 is about 517.7026537938.

The spelling of 138752614 in words is "one hundred thirty-eight million, seven hundred fifty-two thousand, six hundred fourteen".