139377030 has 32 divisors (see below), whose sum is σ = 360237024. Its totient is φ = 34308096.

The previous prime is 139377019. The next prime is 139377053. The reversal of 139377030 is 30773931.

It is a junction number, because it is equal to n+sod(n) for n = 139376982 and 139377000.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 178299 + ... + 179078.

It is an arithmetic number, because the mean of its divisors is an integer number (11257407).

Almost surely, 2^139377030 is an apocalyptic number.

139377030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139377030 is an abundant number, since it is smaller than the sum of its proper divisors (220859994).

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

139377030 is a wasteful number, since it uses less digits than its factorization.

139377030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357400.

The product of its (nonzero) digits is 11907, while the sum is 33.

The square root of 139377030 is about 11805.8049280852. The cubic root of 139377030 is about 518.4780821005.

The spelling of 139377030 in words is "one hundred thirty-nine million, three hundred seventy-seven thousand, thirty".