139795629 has 4 divisors (see below), whose sum is σ = 186394176. Its totient is φ = 93197084.

The previous prime is 139795627. The next prime is 139795637. The reversal of 139795629 is 926597931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 139795629 - 2¹ = 139795627 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139795627) 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 3 ways as a sum of consecutive naturals, for example, 23299269 + ... + 23299274.

It is an arithmetic number, because the mean of its divisors is an integer number (46598544).

Almost surely, 2^139795629 is an apocalyptic number.

It is an amenable number.

139795629 is a deficient number, since it is larger than the sum of its proper divisors (46598547).

139795629 is an equidigital number, since it uses as much as digits as its factorization.

139795629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46598546.

The product of its digits is 918540, while the sum is 51.

The square root of 139795629 is about 11823.5201611026. The cubic root of 139795629 is about 518.9966216122.

The spelling of 139795629 in words is "one hundred thirty-nine million, seven hundred ninety-five thousand, six hundred twenty-nine".