140723373257 has 8 divisors (see below), whose sum is σ = 141561321984. Its totient is φ = 139886546688.

The previous prime is 140723373247. The next prime is 140723373299. The reversal of 140723373257 is 752373327041.

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 140723373257 - 2¹² = 140723369161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140723373247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28313 + ... + 531270.

It is an arithmetic number, because the mean of its divisors is an integer number (17695165248).

Almost surely, 2^140723373257 is an apocalyptic number.

It is an amenable number.

140723373257 is a deficient number, since it is larger than the sum of its proper divisors (837948727).

140723373257 is a wasteful number, since it uses less digits than its factorization.

140723373257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561079.

The product of its (nonzero) digits is 740880, while the sum is 44.

The spelling of 140723373257 in words is "one hundred forty billion, seven hundred twenty-three million, three hundred seventy-three thousand, two hundred fifty-seven".