139749040976 has 20 divisors (see below), whose sum is σ = 272711712000. Its totient is φ = 69371824992.

The previous prime is 139749040973. The next prime is 139749041017. The reversal of 139749040976 is 679040947931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139749040973) 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, 31416176 + ... + 31420623.

It is an arithmetic number, because the mean of its divisors is an integer number (13635585600).

Almost surely, 2^139749040976 is an apocalyptic number.

139749040976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139749040976 is a deficient number, since it is larger than the sum of its proper divisors (132962671024).

139749040976 is a wasteful number, since it uses less digits than its factorization.

139749040976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62836946 (or 62836940 counting only the distinct ones).

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

The spelling of 139749040976 in words is "one hundred thirty-nine billion, seven hundred forty-nine million, forty thousand, nine hundred seventy-six".