140423134115531 has 8 divisors (see below), whose sum is σ = 146545171176960. Its totient is φ = 134302487337832.

The previous prime is 140423134115527. The next prime is 140423134115683. The reversal of 140423134115531 is 135511431324041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140423134115531 - 2² = 140423134115527 is a prime.

It is a super-2 number, since 2×140423134115531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140423134112531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347364521 + ... + 347768538.

It is an arithmetic number, because the mean of its divisors is an integer number (18318146397120).

Almost surely, 2^{140423134115531} is an apocalyptic number.

140423134115531 is a deficient number, since it is larger than the sum of its proper divisors (6122037061429).

140423134115531 is an equidigital number, since it uses as much as digits as its factorization.

140423134115531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695141865.

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 140423134115531 its reverse (135511431324041), we get a palindrome (275934565439572).

The spelling of 140423134115531 in words is "one hundred forty trillion, four hundred twenty-three billion, one hundred thirty-four million, one hundred fifteen thousand, five hundred thirty-one".