139117330 has 24 divisors (see below), whose sum is σ = 275247756. Its totient is φ = 50587680.

The previous prime is 139117309. The next prime is 139117343. The reversal of 139117330 is 33711931.

It can be written as a sum of positive squares in 2 ways, for example, as 131125401 + 7991929 = 11451^2 + 2827^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56277 + ... + 58696.

Almost surely, 2^139117330 is an apocalyptic number.

139117330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139117330 is a deficient number, since it is larger than the sum of its proper divisors (136130426).

139117330 is a wasteful number, since it uses less digits than its factorization.

139117330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115002 (or 114991 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 28.

The square root of 139117330 is about 11794.8009733102. The cubic root of 139117330 is about 518.1558566603.

It can be divided in two parts, 1391 and 17330, that added together give a triangular number (18721 = T₁₉₃).

The spelling of 139117330 in words is "one hundred thirty-nine million, one hundred seventeen thousand, three hundred thirty".