139360697 has 8 divisors (see below), whose sum is σ = 159346752. Its totient is φ = 119394000.

The previous prime is 139360693. The next prime is 139360757. The reversal of 139360697 is 796063931.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 139360697 - 2² = 139360693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139360693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17447 + ... + 24147.

It is an arithmetic number, because the mean of its divisors is an integer number (19918344).

Almost surely, 2^139360697 is an apocalyptic number.

It is an amenable number.

139360697 is a deficient number, since it is larger than the sum of its proper divisors (19986055).

139360697 is an equidigital number, since it uses as much as digits as its factorization.

139360697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9679.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 139360697 is about 11805.1131718421. The cubic root of 139360697 is about 518.4578285639.

The spelling of 139360697 in words is "one hundred thirty-nine million, three hundred sixty thousand, six hundred ninety-seven".