139879152 has 120 divisors (see below), whose sum is σ = 450844160. Its totient is φ = 39657600.

The previous prime is 139879133. The next prime is 139879171. The reversal of 139879152 is 251978931.

It is an interprime number because it is at equal distance from previous prime (139879133) and next prime (139879171).

It is a junction number, because it is equal to n+sod(n) for n = 139879098 and 139879107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151749 + ... + 152667.

Almost surely, 2^139879152 is an apocalyptic number.

139879152 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 139879152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225422080).

139879152 is an abundant number, since it is smaller than the sum of its proper divisors (310965008).

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

139879152 is a wasteful number, since it uses less digits than its factorization.

139879152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091 (or 1082 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 139879152 is about 11827.0517036157. The cubic root of 139879152 is about 519.0999618120.

The spelling of 139879152 in words is "one hundred thirty-nine million, eight hundred seventy-nine thousand, one hundred fifty-two".