139926312 has 64 divisors (see below), whose sum is σ = 401241600. Its totient is φ = 45135360.

The previous prime is 139926299. The next prime is 139926323. The reversal of 139926312 is 213629931.

It is a happy number.

139926312 is a `hidden beast` number, since 1 + 399 + 263 + 1 + 2 = 666.

It is a super-3 number, since 3×139926312³ (a number of 25 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 3753 + ... + 17144.

It is an arithmetic number, because the mean of its divisors is an integer number (6269400).

Almost surely, 2^139926312 is an apocalyptic number.

139926312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139926312 is an abundant number, since it is smaller than the sum of its proper divisors (261315288).

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

139926312 is a wasteful number, since it uses less digits than its factorization.

139926312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20943 (or 20933 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 139926312 is about 11829.0452700123. The cubic root of 139926312 is about 519.1582931243.

The spelling of 139926312 in words is "one hundred thirty-nine million, nine hundred twenty-six thousand, three hundred twelve".