139446852 has 48 divisors (see below), whose sum is σ = 362658240. Its totient is φ = 41444352.

The previous prime is 139446851. The next prime is 139446887. The reversal of 139446852 is 258644931.

It is not an unprimeable number, because it can be changed into a prime (139446851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14113 + ... + 21864.

It is an arithmetic number, because the mean of its divisors is an integer number (7555380).

Almost surely, 2^139446852 is an apocalyptic number.

139446852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139446852 is an abundant number, since it is smaller than the sum of its proper divisors (223211388).

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

139446852 is a wasteful number, since it uses less digits than its factorization.

139446852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36020 (or 36018 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 139446852 is about 11808.7616624268. The cubic root of 139446852 is about 518.5646461808.

The spelling of 139446852 in words is "one hundred thirty-nine million, four hundred forty-six thousand, eight hundred fifty-two".