139557132 has 72 divisors (see below), whose sum is σ = 414457680. Its totient is φ = 39035520.

The previous prime is 139557127. The next prime is 139557137. The reversal of 139557132 is 231755931.

It is an interprime number because it is at equal distance from previous prime (139557127) and next prime (139557137).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (139557137) by changing a digit.

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, 8407 + ... + 18702.

Almost surely, 2^139557132 is an apocalyptic number.

139557132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139557132 is an abundant number, since it is smaller than the sum of its proper divisors (274900548).

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

139557132 is a wasteful number, since it uses less digits than its factorization.

139557132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27143 (or 27138 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 139557132 is about 11813.4301538546. The cubic root of 139557132 is about 518.7013105316.

The spelling of 139557132 in words is "one hundred thirty-nine million, five hundred fifty-seven thousand, one hundred thirty-two".