140859154931 has 32 divisors (see below), whose sum is σ = 168426086400. Its totient is φ = 116287879680.

The previous prime is 140859154921. The next prime is 140859154951. The reversal of 140859154931 is 139451958041.

It is a happy number.

140859154931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 140859154931 - 2²⁶ = 140792046067 is a prime.

It is a super-2 number, since 2×140859154931² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140859154931.

It is not an unprimeable number, because it can be changed into a prime (140859154901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9010640 + ... + 9026258.

It is an arithmetic number, because the mean of its divisors is an integer number (5263315200).

Almost surely, 2^140859154931 is an apocalyptic number.

140859154931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140859154931 is a deficient number, since it is larger than the sum of its proper divisors (27566931469).

140859154931 is a wasteful number, since it uses less digits than its factorization.

140859154931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17339.

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 140859154931 in words is "one hundred forty billion, eight hundred fifty-nine million, one hundred fifty-four thousand, nine hundred thirty-one".