139316990 has 32 divisors (see below), whose sum is σ = 257738976. Its totient is φ = 54190080.

The previous prime is 139316941. The next prime is 139316993. The reversal of 139316990 is 99613931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139316993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120254 + ... + 121406.

It is an arithmetic number, because the mean of its divisors is an integer number (8054343).

Almost surely, 2^139316990 is an apocalyptic number.

139316990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139316990 is a deficient number, since it is larger than the sum of its proper divisors (118421986).

139316990 is a wasteful number, since it uses less digits than its factorization.

139316990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484.

The product of its (nonzero) digits is 39366, while the sum is 41.

The square root of 139316990 is about 11803.2618373058. The cubic root of 139316990 is about 518.4036224495.

The spelling of 139316990 in words is "one hundred thirty-nine million, three hundred sixteen thousand, nine hundred ninety".