139490276 has 12 divisors (see below), whose sum is σ = 248714172. Its totient is φ = 68429088.

The previous prime is 139490269. The next prime is 139490293. The reversal of 139490276 is 672094931.

It can be written as a sum of positive squares in 2 ways, for example, as 120340900 + 19149376 = 10970^2 + 4376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328775 + ... + 329198.

It is an arithmetic number, because the mean of its divisors is an integer number (20726181).

Almost surely, 2^139490276 is an apocalyptic number.

It is an amenable number.

139490276 is a deficient number, since it is larger than the sum of its proper divisors (109223896).

139490276 is a wasteful number, since it uses less digits than its factorization.

139490276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658030 (or 658028 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 139490276 is about 11810.6001540989. The cubic root of 139490276 is about 518.6184679150.

The spelling of 139490276 in words is "one hundred thirty-nine million, four hundred ninety thousand, two hundred seventy-six".