140492159 has 2 divisors, whose sum is σ = 140492160. Its totient is φ = 140492158.

The previous prime is 140492147. The next prime is 140492161. The reversal of 140492159 is 951294041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140492159 - 2¹⁶ = 140426623 is a prime.

Together with 140492161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140492459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70246079 + 70246080.

It is an arithmetic number, because the mean of its divisors is an integer number (70246080).

Almost surely, 2^140492159 is an apocalyptic number.

140492159 is a deficient number, since it is larger than the sum of its proper divisors (1).

140492159 is an equidigital number, since it uses as much as digits as its factorization.

140492159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 140492159 is about 11852.9388338926. The cubic root of 140492159 is about 519.8571587442.

The spelling of 140492159 in words is "one hundred forty million, four hundred ninety-two thousand, one hundred fifty-nine".