139341924 has 24 divisors (see below), whose sum is σ = 361257120. Its totient is φ = 46447272.

The previous prime is 139341919. The next prime is 139341941. The reversal of 139341924 is 429143931.

139341924 is nontrivially palindromic in base 11.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644994 + ... + 645209.

It is an arithmetic number, because the mean of its divisors is an integer number (15052380).

Almost surely, 2^139341924 is an apocalyptic number.

It is an amenable number.

139341924 is an abundant number, since it is smaller than the sum of its proper divisors (221915196).

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

139341924 is a wasteful number, since it uses less digits than its factorization.

139341924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290216 (or 1290208 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 139341924 is about 11804.3180235031. The cubic root of 139341924 is about 518.4345473804.

The spelling of 139341924 in words is "one hundred thirty-nine million, three hundred forty-one thousand, nine hundred twenty-four".