140538727013 has 4 divisors (see below), whose sum is σ = 145072234368. Its totient is φ = 136005219660.

The previous prime is 140538727009. The next prime is 140538727079. The reversal of 140538727013 is 310727835041.

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 140538727013 - 2² = 140538727009 is a prime.

It is a super-2 number, since 2×140538727013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140538727003) 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, 2266753631 + ... + 2266753692.

It is an arithmetic number, because the mean of its divisors is an integer number (36268058592).

Almost surely, 2^140538727013 is an apocalyptic number.

It is an amenable number.

140538727013 is a deficient number, since it is larger than the sum of its proper divisors (4533507355).

140538727013 is an equidigital number, since it uses as much as digits as its factorization.

140538727013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4533507354.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 140538727013 in words is "one hundred forty billion, five hundred thirty-eight million, seven hundred twenty-seven thousand, thirteen".