140376791 has 4 divisors (see below), whose sum is σ = 145217400. Its totient is φ = 135536184.

The previous prime is 140376781. The next prime is 140376809. The reversal of 140376791 is 197673041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140376791 - 2²⁶ = 73267927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140376721) 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, 2420261 + ... + 2420318.

It is an arithmetic number, because the mean of its divisors is an integer number (36304350).

Almost surely, 2^140376791 is an apocalyptic number.

140376791 is a deficient number, since it is larger than the sum of its proper divisors (4840609).

140376791 is an equidigital number, since it uses as much as digits as its factorization.

140376791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4840608.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 140376791 is about 11848.0711932365. The cubic root of 140376791 is about 519.7148226756.

The spelling of 140376791 in words is "one hundred forty million, three hundred seventy-six thousand, seven hundred ninety-one".