139476352 has 32 divisors (see below), whose sum is σ = 280351080. Its totient is φ = 69113856.

The previous prime is 139476349. The next prime is 139476361. The reversal of 139476352 is 253674931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 9643 + ... + 19285.

Almost surely, 2^139476352 is an apocalyptic number.

139476352 is the 9643-rd pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139476352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140175540).

139476352 is an abundant number, since it is smaller than the sum of its proper divisors (140874728).

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

139476352 is an equidigital number, since it uses as much as digits as its factorization.

139476352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9770 (or 9758 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The square root of 139476352 is about 11810.0106689198. The cubic root of 139476352 is about 518.6012110757.

The spelling of 139476352 in words is "one hundred thirty-nine million, four hundred seventy-six thousand, three hundred fifty-two".