140536407777623 has 16 divisors (see below), whose sum is σ = 165241376195616. Its totient is φ = 117835745341440.

The previous prime is 140536407777553. The next prime is 140536407777641. The reversal of 140536407777623 is 326777704635041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140536407777623 is a prime.

It is a super-2 number, since 2×140536407777623² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140536407777643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403594286 + ... + 403942347.

It is an arithmetic number, because the mean of its divisors is an integer number (10327586012226).

Almost surely, 2^{140536407777623} is an apocalyptic number.

140536407777623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140536407777623 is a deficient number, since it is larger than the sum of its proper divisors (24704968417993).

140536407777623 is a wasteful number, since it uses less digits than its factorization.

140536407777623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807537874.

The product of its (nonzero) digits is 124467840, while the sum is 62.

The spelling of 140536407777623 in words is "one hundred forty trillion, five hundred thirty-six billion, four hundred seven million, seven hundred seventy-seven thousand, six hundred twenty-three".