139276746 has 40 divisors (see below), whose sum is σ = 356669280. Its totient is φ = 39793032.

The previous prime is 139276693. The next prime is 139276747. The reversal of 139276746 is 647672931.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (139276747) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 60276 + ... + 62543.

It is an arithmetic number, because the mean of its divisors is an integer number (8916732).

Almost surely, 2^139276746 is an apocalyptic number.

139276746 is an abundant number, since it is smaller than the sum of its proper divisors (217392534).

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

139276746 is a wasteful number, since it uses less digits than its factorization.

139276746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122840 (or 122831 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 139276746 is about 11801.5569311850. The cubic root of 139276746 is about 518.3537011763.

The spelling of 139276746 in words is "one hundred thirty-nine million, two hundred seventy-six thousand, seven hundred forty-six".