139656773140 has 12 divisors (see below), whose sum is σ = 293279223636. Its totient is φ = 55862709248.

The previous prime is 139656773057. The next prime is 139656773143. The reversal of 139656773140 is 41377656931.

It can be written as a sum of positive squares in 2 ways, for example, as 51472719376 + 88184053764 = 226876^2 + 296958^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139656773143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3491419309 + ... + 3491419348.

It is an arithmetic number, because the mean of its divisors is an integer number (24439935303).

Almost surely, 2^139656773140 is an apocalyptic number.

139656773140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139656773140 is an abundant number, since it is smaller than the sum of its proper divisors (153622450496).

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

139656773140 is a wasteful number, since it uses less digits than its factorization.

139656773140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6982838666 (or 6982838664 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 139656773140 in words is "one hundred thirty-nine billion, six hundred fifty-six million, seven hundred seventy-three thousand, one hundred forty".