140372761 has 4 divisors (see below), whose sum is σ = 140562432. Its totient is φ = 140183092.

The previous prime is 140372759. The next prime is 140372777. The reversal of 140372761 is 167273041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140372761 - 2¹ = 140372759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140372711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93721 + ... + 95206.

It is an arithmetic number, because the mean of its divisors is an integer number (35140608).

Almost surely, 2^140372761 is an apocalyptic number.

It is an amenable number.

140372761 is a deficient number, since it is larger than the sum of its proper divisors (189671).

140372761 is an equidigital number, since it uses as much as digits as its factorization.

140372761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189670.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 140372761 is about 11847.9011221397. The cubic root of 140372761 is about 519.7098492258.

The spelling of 140372761 in words is "one hundred forty million, three hundred seventy-two thousand, seven hundred sixty-one".