139373352 has 64 divisors (see below), whose sum is σ = 392496000. Its totient is φ = 45816192.

The previous prime is 139373347. The next prime is 139373369. The reversal of 139373352 is 253373931.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11349 + ... + 20187.

It is an arithmetic number, because the mean of its divisors is an integer number (6132750).

Almost surely, 2^139373352 is an apocalyptic number.

139373352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139373352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196248000).

139373352 is an abundant number, since it is smaller than the sum of its proper divisors (253122648).

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

139373352 is a wasteful number, since it uses less digits than its factorization.

139373352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8927 (or 8917 counting only the distinct ones).

The product of its digits is 51030, while the sum is 36.

The square root of 139373352 is about 11805.6491562302. The cubic root of 139373352 is about 518.4735213797.

The spelling of 139373352 in words is "one hundred thirty-nine million, three hundred seventy-three thousand, three hundred fifty-two".