140743013 has 4 divisors (see below), whose sum is σ = 148150560. Its totient is φ = 133335468.

The previous prime is 140742997. The next prime is 140743019. The reversal of 140743013 is 310347041.

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 140743013 - 2⁴ = 140742997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140743013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140743019) 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, 3703745 + ... + 3703782.

It is an arithmetic number, because the mean of its divisors is an integer number (37037640).

Almost surely, 2^140743013 is an apocalyptic number.

It is an amenable number.

140743013 is a deficient number, since it is larger than the sum of its proper divisors (7407547).

140743013 is an equidigital number, since it uses as much as digits as its factorization.

140743013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7407546.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 140743013 is about 11863.5160471085. The cubic root of 140743013 is about 520.1663829012.

The spelling of 140743013 in words is "one hundred forty million, seven hundred forty-three thousand, thirteen".