140260591 has 8 divisors (see below), whose sum is σ = 149582160. Its totient is φ = 131058048.

The previous prime is 140260583. The next prime is 140260597. The reversal of 140260591 is 195062041.

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

It is a cyclic number.

It is not a de Polignac number, because 140260591 - 2³ = 140260583 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 (140260597) 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, 27316 + ... + 32041.

It is an arithmetic number, because the mean of its divisors is an integer number (18697770).

Almost surely, 2^140260591 is an apocalyptic number.

140260591 is a deficient number, since it is larger than the sum of its proper divisors (9321569).

140260591 is a wasteful number, since it uses less digits than its factorization.

140260591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59513.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 140260591 is about 11843.1664262561. The cubic root of 140260591 is about 519.5713812683.

The spelling of 140260591 in words is "one hundred forty million, two hundred sixty thousand, five hundred ninety-one".