139616847 has 12 divisors (see below), whose sum is σ = 202142304. Its totient is φ = 92859360.

The previous prime is 139616821. The next prime is 139616863. The reversal of 139616847 is 748616931.

It is a happy number.

It is not a de Polignac number, because 139616847 - 2⁶ = 139616783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139614847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14118 + ... + 21875.

It is an arithmetic number, because the mean of its divisors is an integer number (16845192).

Almost surely, 2^139616847 is an apocalyptic number.

139616847 is a deficient number, since it is larger than the sum of its proper divisors (62525457).

139616847 is a wasteful number, since it uses less digits than its factorization.

139616847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36430 (or 36427 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 139616847 is about 11815.9573035789. The cubic root of 139616847 is about 518.7752822245.

The spelling of 139616847 in words is "one hundred thirty-nine million, six hundred sixteen thousand, eight hundred forty-seven".