139663332 has 24 divisors (see below), whose sum is σ = 362090400. Its totient is φ = 46554408.

The previous prime is 139663331. The next prime is 139663369. The reversal of 139663332 is 233366931.

139663332 is a `hidden beast` number, since 13 + 9 + 6 + 633 + 3 + 2 = 666.

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 not an unprimeable number, because it can be changed into a prime (139663331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 646482 + ... + 646697.

It is an arithmetic number, because the mean of its divisors is an integer number (15087100).

Almost surely, 2^139663332 is an apocalyptic number.

139663332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139663332 is an abundant number, since it is smaller than the sum of its proper divisors (222427068).

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

139663332 is a wasteful number, since it uses less digits than its factorization.

139663332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293192 (or 1293184 counting only the distinct ones).

The product of its digits is 52488, while the sum is 36.

The square root of 139663332 is about 11817.9241832058. The cubic root of 139663332 is about 518.8328507144.

The spelling of 139663332 in words is "one hundred thirty-nine million, six hundred sixty-three thousand, three hundred thirty-two".