140237374409 has 8 divisors (see below), whose sum is σ = 155579214240. Its totient is φ = 125327699200.

The previous prime is 140237374397. The next prime is 140237374439. The reversal of 140237374409 is 904473732041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140237374409 - 2³⁶ = 71517897673 is a prime.

It is a super-2 number, since 2×140237374409² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140237374409.

It is not an unprimeable number, because it can be changed into a prime (140237374439) 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, 108040472 + ... + 108041769.

It is an arithmetic number, because the mean of its divisors is an integer number (19447401780).

Almost surely, 2^140237374409 is an apocalyptic number.

It is an amenable number.

140237374409 is a deficient number, since it is larger than the sum of its proper divisors (15341839831).

140237374409 is a wasteful number, since it uses less digits than its factorization.

140237374409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216082311.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 140237374409 in words is "one hundred forty billion, two hundred thirty-seven million, three hundred seventy-four thousand, four hundred nine".