140432142512 has 20 divisors (see below), whose sum is σ = 272137488336. Its totient is φ = 70203113280.

The previous prime is 140432142491. The next prime is 140432142541. The reversal of 140432142512 is 215241234041.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720164 + ... + 894147.

Almost surely, 2^140432142512 is an apocalyptic number.

It is an amenable number.

140432142512 is a deficient number, since it is larger than the sum of its proper divisors (131705345824).

140432142512 is a wasteful number, since it uses less digits than its factorization.

140432142512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619756 (or 1619750 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 140432142512 its reverse (215241234041), we get a palindrome (355673376553).

The spelling of 140432142512 in words is "one hundred forty billion, four hundred thirty-two million, one hundred forty-two thousand, five hundred twelve".