140739635838831 has 4 divisors (see below), whose sum is σ = 187652847785112. Its totient is φ = 93826423892552.

The previous prime is 140739635838829. The next prime is 140739635838911. The reversal of 140739635838831 is 138838536937041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140739635838831 - 2¹ = 140739635838829 is a prime.

It is a super-2 number, since 2×140739635838831² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140739635838811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23456605973136 + ... + 23456605973141.

It is an arithmetic number, because the mean of its divisors is an integer number (46913211946278).

Almost surely, 2^{140739635838831} is an apocalyptic number.

140739635838831 is a deficient number, since it is larger than the sum of its proper divisors (46913211946281).

140739635838831 is an equidigital number, since it uses as much as digits as its factorization.

140739635838831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46913211946280.

The product of its (nonzero) digits is 313528320, while the sum is 69.

The spelling of 140739635838831 in words is "one hundred forty trillion, seven hundred thirty-nine billion, six hundred thirty-five million, eight hundred thirty-eight thousand, eight hundred thirty-one".