139341744 has 60 divisors (see below), whose sum is σ = 410495800. Its totient is φ = 44001792.

The previous prime is 139341737. The next prime is 139341757. The reversal of 139341744 is 447143931.

It is a super-2 number, since 2×139341744² = 38832243241923072, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 139341699 and 139341708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22729 + ... + 28200.

Almost surely, 2^139341744 is an apocalyptic number.

It is an amenable number.

139341744 is an abundant number, since it is smaller than the sum of its proper divisors (271154056).

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

139341744 is a wasteful number, since it uses less digits than its factorization.

139341744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50962 (or 50953 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 139341744 is about 11804.3103991720. The cubic root of 139341744 is about 518.4343241448.

The spelling of 139341744 in words is "one hundred thirty-nine million, three hundred forty-one thousand, seven hundred forty-four".