139733722 has 4 divisors (see below), whose sum is σ = 209600586. Its totient is φ = 69866860.

The previous prime is 139733707. The next prime is 139733729. The reversal of 139733722 is 227337931.

139733722 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 87590881 + 52142841 = 9359^2 + 7221^2 .

It is not an unprimeable number, because it can be changed into a prime (139733729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34933429 + ... + 34933432.

Almost surely, 2^139733722 is an apocalyptic number.

139733722 is a deficient number, since it is larger than the sum of its proper divisors (69866864).

139733722 is an equidigital number, since it uses as much as digits as its factorization.

139733722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69866863.

The product of its digits is 47628, while the sum is 37.

The square root of 139733722 is about 11820.9019114448. The cubic root of 139733722 is about 518.9199995986.

The spelling of 139733722 in words is "one hundred thirty-nine million, seven hundred thirty-three thousand, seven hundred twenty-two".