140265623 has 4 divisors (see below), whose sum is σ = 148516560. Its totient is φ = 132014688.

The previous prime is 140265563. The next prime is 140265637. The reversal of 140265623 is 326562041.

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 140265623 - 2²² = 136071319 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 (140265673) 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, 4125443 + ... + 4125476.

It is an arithmetic number, because the mean of its divisors is an integer number (37129140).

Almost surely, 2^140265623 is an apocalyptic number.

140265623 is a deficient number, since it is larger than the sum of its proper divisors (8250937).

140265623 is an equidigital number, since it uses as much as digits as its factorization.

140265623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8250936.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 140265623 is about 11843.3788675361. The cubic root of 140265623 is about 519.5775945886.

The spelling of 140265623 in words is "one hundred forty million, two hundred sixty-five thousand, six hundred twenty-three".