139316995 has 8 divisors (see below), whose sum is σ = 170014320. Its totient is φ = 109564320.

The previous prime is 139316993. The next prime is 139316999. The reversal of 139316995 is 599613931.

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

It is not a de Polignac number, because 139316995 - 2¹ = 139316993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139316993) 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, 235836 + ... + 236425.

It is an arithmetic number, because the mean of its divisors is an integer number (21251790).

Almost surely, 2^139316995 is an apocalyptic number.

139316995 is a deficient number, since it is larger than the sum of its proper divisors (30697325).

139316995 is an equidigital number, since it uses as much as digits as its factorization.

139316995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472325.

The product of its digits is 196830, while the sum is 46.

The square root of 139316995 is about 11803.2620491117. The cubic root of 139316995 is about 518.4036286512.

The spelling of 139316995 in words is "one hundred thirty-nine million, three hundred sixteen thousand, nine hundred ninety-five".