140156280897 has 16 divisors (see below), whose sum is σ = 198920808000. Its totient is φ = 87525149184.

The previous prime is 140156280893. The next prime is 140156280907. The reversal of 140156280897 is 798082651041.

It is not a de Polignac number, because 140156280897 - 2² = 140156280893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140156280893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13808872 + ... + 13819017.

It is an arithmetic number, because the mean of its divisors is an integer number (12432550500).

Almost surely, 2^140156280897 is an apocalyptic number.

It is an amenable number.

140156280897 is a deficient number, since it is larger than the sum of its proper divisors (58764527103).

140156280897 is a wasteful number, since it uses less digits than its factorization.

140156280897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27628000.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 140156280897 in words is "one hundred forty billion, one hundred fifty-six million, two hundred eighty thousand, eight hundred ninety-seven".