140018712977 has 128 divisors (see below), whose sum is σ = 183936614400. Its totient is φ = 104613949440.

The previous prime is 140018712973. The next prime is 140018712983. The reversal of 140018712977 is 779217810041.

It is not a de Polignac number, because 140018712977 - 2² = 140018712973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140018712973) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 703611524 + ... + 703611722.

It is an arithmetic number, because the mean of its divisors is an integer number (1437004800).

Almost surely, 2^140018712977 is an apocalyptic number.

140018712977 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

140018712977 is a deficient number, since it is larger than the sum of its proper divisors (43917901423).

140018712977 is a wasteful number, since it uses less digits than its factorization.

140018712977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463.

The product of its (nonzero) digits is 197568, while the sum is 47.

The spelling of 140018712977 in words is "one hundred forty billion, eighteen million, seven hundred twelve thousand, nine hundred seventy-seven".