140312298292 has 6 divisors (see below), whose sum is σ = 245546522018. Its totient is φ = 70156149144.

The previous prime is 140312298281. The next prime is 140312298299. The reversal of 140312298292 is 292892213041.

It can be written as a sum of positive squares in only one way, i.e., 109214386576 + 31097911716 = 330476^2 + 176346^2 .

It is a super-2 number, since 2×140312298292² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140312298299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17539037283 + ... + 17539037290.

Almost surely, 2^140312298292 is an apocalyptic number.

It is an amenable number.

140312298292 is a deficient number, since it is larger than the sum of its proper divisors (105234223726).

140312298292 is a wasteful number, since it uses less digits than its factorization.

140312298292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35078074577 (or 35078074575 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 140312298292 in words is "one hundred forty billion, three hundred twelve million, two hundred ninety-eight thousand, two hundred ninety-two".