139030650 has 72 divisors (see below), whose sum is σ = 407500704. Its totient is φ = 33703200.

The previous prime is 139030649. The next prime is 139030663. The reversal of 139030650 is 56030931.

139030650 is a `hidden beast` number, since 1 + 3 + 9 + 0 + 3 + 0 + 650 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9094 + ... + 18993.

It is an arithmetic number, because the mean of its divisors is an integer number (5659732).

Almost surely, 2^139030650 is an apocalyptic number.

139030650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139030650 is an abundant number, since it is smaller than the sum of its proper divisors (268470054).

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

139030650 is a wasteful number, since it uses less digits than its factorization.

139030650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28116 (or 28108 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 139030650 is about 11791.1259004389. The cubic root of 139030650 is about 518.0482183068.

The spelling of 139030650 in words is "one hundred thirty-nine million, thirty thousand, six hundred fifty".