139967702 has 16 divisors (see below), whose sum is σ = 242420640. Its totient is φ = 59367168.

The previous prime is 139967701. The next prime is 139967743. The reversal of 139967702 is 207769931.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139967701) 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, 50177 + ... + 52892.

It is an arithmetic number, because the mean of its divisors is an integer number (15151290).

Almost surely, 2^139967702 is an apocalyptic number.

139967702 is a deficient number, since it is larger than the sum of its proper divisors (102452938).

139967702 is a wasteful number, since it uses less digits than its factorization.

139967702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103175.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 139967702 is about 11830.7946478671. The cubic root of 139967702 is about 519.2094768344.

The spelling of 139967702 in words is "one hundred thirty-nine million, nine hundred sixty-seven thousand, seven hundred two".