140607939397 has 24 divisors (see below), whose sum is σ = 153679879584. Its totient is φ = 128540907936.

The previous prime is 140607939379. The next prime is 140607939421. The reversal of 140607939397 is 793939706041.

It is a de Polignac number, because none of the positive numbers 2^k-140607939397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140607939317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1233843 + ... + 1342975.

It is an arithmetic number, because the mean of its divisors is an integer number (6403328316).

Almost surely, 2^140607939397 is an apocalyptic number.

It is an amenable number.

140607939397 is a deficient number, since it is larger than the sum of its proper divisors (13071940187).

140607939397 is a wasteful number, since it uses less digits than its factorization.

140607939397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109297 (or 109278 counting only the distinct ones).

The product of its (nonzero) digits is 7715736, while the sum is 58.

The spelling of 140607939397 in words is "one hundred forty billion, six hundred seven million, nine hundred thirty-nine thousand, three hundred ninety-seven".