139045347 has 12 divisors (see below), whose sum is σ = 229535280. Its totient is φ = 79454448.

The previous prime is 139045339. The next prime is 139045349. The reversal of 139045347 is 743540931.

It is not a de Polignac number, because 139045347 - 2³ = 139045339 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (139045349) 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 11 ways as a sum of consecutive naturals, for example, 1103472 + ... + 1103597.

It is an arithmetic number, because the mean of its divisors is an integer number (19127940).

Almost surely, 2^139045347 is an apocalyptic number.

139045347 is a deficient number, since it is larger than the sum of its proper divisors (90489933).

139045347 is a wasteful number, since it uses less digits than its factorization.

139045347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207082 (or 2207079 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 139045347 is about 11791.7491068967. The cubic root of 139045347 is about 518.0664720429.

The spelling of 139045347 in words is "one hundred thirty-nine million, forty-five thousand, three hundred forty-seven".