139052630 has 16 divisors (see below), whose sum is σ = 250983360. Its totient is φ = 55468032.

The previous prime is 139052629. The next prime is 139052633. The reversal of 139052630 is 36250931.

It is a junction number, because it is equal to n+sod(n) for n = 139052593 and 139052602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139052633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15275 + ... + 22614.

It is an arithmetic number, because the mean of its divisors is an integer number (15686460).

Almost surely, 2^139052630 is an apocalyptic number.

139052630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139052630 is a deficient number, since it is larger than the sum of its proper divisors (111930730).

139052630 is a wasteful number, since it uses less digits than its factorization.

139052630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38263.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 139052630 is about 11792.0579204819. The cubic root of 139052630 is about 518.0755170830.

The spelling of 139052630 in words is "one hundred thirty-nine million, fifty-two thousand, six hundred thirty".