139768716 has 12 divisors (see below), whose sum is σ = 326127032. Its totient is φ = 46589568.

The previous prime is 139768711. The next prime is 139768729. The reversal of 139768716 is 617867931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (139768711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5823685 + ... + 5823708.

Almost surely, 2^139768716 is an apocalyptic number.

It is an amenable number.

139768716 is an abundant number, since it is smaller than the sum of its proper divisors (186358316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139768716 is a wasteful number, since it uses less digits than its factorization.

139768716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11647400 (or 11647398 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The square root of 139768716 is about 11822.3819934901. The cubic root of 139768716 is about 518.9633142939.

The spelling of 139768716 in words is "one hundred thirty-nine million, seven hundred sixty-eight thousand, seven hundred sixteen".