139674722 has 16 divisors (see below), whose sum is σ = 238496832. Its totient is φ = 60727920.

The previous prime is 139674721. The next prime is 139674739. The reversal of 139674722 is 227476931.

139674722 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 139674722.

It is not an unprimeable number, because it can be changed into a prime (139674721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137513 + ... + 138524.

It is an arithmetic number, because the mean of its divisors is an integer number (14906052).

Almost surely, 2^139674722 is an apocalyptic number.

139674722 is a deficient number, since it is larger than the sum of its proper divisors (98822110).

139674722 is a wasteful number, since it uses less digits than its factorization.

139674722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276073.

The product of its digits is 127008, while the sum is 41.

The square root of 139674722 is about 11818.4060685018. The cubic root of 139674722 is about 518.8469545011.

The spelling of 139674722 in words is "one hundred thirty-nine million, six hundred seventy-four thousand, seven hundred twenty-two".