140061013 has 2 divisors, whose sum is σ = 140061014. Its totient is φ = 140061012.

The previous prime is 140060993. The next prime is 140061023. The reversal of 140061013 is 310160041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84603204 + 55457809 = 9198^2 + 7447^2 .

It is an emirp because it is prime and its reverse (310160041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140061013 - 2¹³ = 140052821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140061023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70030506 + 70030507.

It is an arithmetic number, because the mean of its divisors is an integer number (70030507).

Almost surely, 2^140061013 is an apocalyptic number.

It is an amenable number.

140061013 is a deficient number, since it is larger than the sum of its proper divisors (1).

140061013 is an equidigital number, since it uses as much as digits as its factorization.

140061013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 140061013 is about 11834.7375551805. The cubic root of 140061013 is about 519.3248300973.

The spelling of 140061013 in words is "one hundred forty million, sixty-one thousand, thirteen".