139963452 has 48 divisors (see below), whose sum is σ = 343254912. Its totient is φ = 44331840.

The previous prime is 139963429. The next prime is 139963493. The reversal of 139963452 is 254369931.

It is a happy number.

139963452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 15427 + ... + 22757.

It is an arithmetic number, because the mean of its divisors is an integer number (7151144).

Almost surely, 2^139963452 is an apocalyptic number.

139963452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139963452 is an abundant number, since it is smaller than the sum of its proper divisors (203291460).

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

139963452 is a wasteful number, since it uses less digits than its factorization.

139963452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7418 (or 7416 counting only the distinct ones).

The product of its digits is 174960, while the sum is 42.

The square root of 139963452 is about 11830.6150305045. The cubic root of 139963452 is about 519.2042216635.

The spelling of 139963452 in words is "one hundred thirty-nine million, nine hundred sixty-three thousand, four hundred fifty-two".