140746613 has 4 divisors (see below), whose sum is σ = 160853280. Its totient is φ = 120639948.

The previous prime is 140746609. The next prime is 140746643. The reversal of 140746613 is 316647041.

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 140746613 - 2² = 140746609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140746613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140746643) 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, 10053323 + ... + 10053336.

It is an arithmetic number, because the mean of its divisors is an integer number (40213320).

Almost surely, 2^140746613 is an apocalyptic number.

It is an amenable number.

140746613 is a deficient number, since it is larger than the sum of its proper divisors (20106667).

140746613 is an equidigital number, since it uses as much as digits as its factorization.

140746613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20106666.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 140746613 is about 11863.6677718149. The cubic root of 140746613 is about 520.1708178947.

The spelling of 140746613 in words is "one hundred forty million, seven hundred forty-six thousand, six hundred thirteen".