140264013 has 4 divisors (see below), whose sum is σ = 187018688. Its totient is φ = 93509340.

The previous prime is 140264011. The next prime is 140264083. The reversal of 140264013 is 310462041.

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 not a de Polignac number, because 140264013 - 2¹ = 140264011 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 (140264011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23377333 + ... + 23377338.

It is an arithmetic number, because the mean of its divisors is an integer number (46754672).

Almost surely, 2^140264013 is an apocalyptic number.

It is an amenable number.

140264013 is a deficient number, since it is larger than the sum of its proper divisors (46754675).

140264013 is an equidigital number, since it uses as much as digits as its factorization.

140264013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46754674.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 140264013 is about 11843.3108968734. The cubic root of 140264013 is about 519.5756066386.

The spelling of 140264013 in words is "one hundred forty million, two hundred sixty-four thousand, thirteen".