139360929 has 8 divisors (see below), whose sum is σ = 185889312. Its totient is φ = 92869920.

The previous prime is 139360919. The next prime is 139360939. The reversal of 139360929 is 929063931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (139360919) and next prime (139360939).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 139360929 - 2⁴ = 139360913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139360909) 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 7 ways as a sum of consecutive naturals, for example, 994 + ... + 16724.

It is an arithmetic number, because the mean of its divisors is an integer number (23236164).

Almost surely, 2^139360929 is an apocalyptic number.

It is an amenable number.

139360929 is a deficient number, since it is larger than the sum of its proper divisors (46528383).

139360929 is a wasteful number, since it uses less digits than its factorization.

139360929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18687.

The product of its (nonzero) digits is 78732, while the sum is 42.

The square root of 139360929 is about 11805.1229980886. The cubic root of 139360929 is about 518.4581162638.

The spelling of 139360929 in words is "one hundred thirty-nine million, three hundred sixty thousand, nine hundred twenty-nine".