139130390 has 16 divisors (see below), whose sum is σ = 286211232. Its totient is φ = 47701824.

The previous prime is 139130377. The next prime is 139130401. The reversal of 139130390 is 93031931.

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 7 ways as a sum of consecutive naturals, for example, 993719 + ... + 993858.

It is an arithmetic number, because the mean of its divisors is an integer number (17888202).

Almost surely, 2^139130390 is an apocalyptic number.

139130390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139130390 is an abundant number, since it is smaller than the sum of its proper divisors (147080842).

139130390 is a wasteful number, since it uses less digits than its factorization.

139130390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987591.

The product of its (nonzero) digits is 2187, while the sum is 29.

The square root of 139130390 is about 11795.3545940764. The cubic root of 139130390 is about 518.1720705610.

The spelling of 139130390 in words is "one hundred thirty-nine million, one hundred thirty thousand, three hundred ninety".