139794740690 has 16 divisors (see below), whose sum is σ = 274506036480. Its totient is φ = 50834451120.

The previous prime is 139794740627. The next prime is 139794740711. The reversal of 139794740690 is 96047497931.

It is a super-2 number, since 2×139794740690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635430530 + ... + 635430749.

It is an arithmetic number, because the mean of its divisors is an integer number (17156627280).

Almost surely, 2^139794740690 is an apocalyptic number.

139794740690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139794740690 is a deficient number, since it is larger than the sum of its proper divisors (134711295790).

139794740690 is a wasteful number, since it uses less digits than its factorization.

139794740690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270861297.

The product of its (nonzero) digits is 10287648, while the sum is 59.

The spelling of 139794740690 in words is "one hundred thirty-nine billion, seven hundred ninety-four million, seven hundred forty thousand, six hundred ninety".