139676499 has 12 divisors (see below), whose sum is σ = 208712400. Its totient is φ = 89906544.

The previous prime is 139676479. The next prime is 139676501. The reversal of 139676499 is 994676931.

It is not a de Polignac number, because 139676499 - 2¹⁵ = 139643731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139676479) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 267319 + ... + 267840.

It is an arithmetic number, because the mean of its divisors is an integer number (17392700).

Almost surely, 2^139676499 is an apocalyptic number.

139676499 is a deficient number, since it is larger than the sum of its proper divisors (69035901).

139676499 is a wasteful number, since it uses less digits than its factorization.

139676499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535194 (or 535191 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 139676499 is about 11818.4812476054. The cubic root of 139676499 is about 518.8491548208.

The spelling of 139676499 in words is "one hundred thirty-nine million, six hundred seventy-six thousand, four hundred ninety-nine".