140402513213 has 2 divisors, whose sum is σ = 140402513214. Its totient is φ = 140402513212.

The previous prime is 140402513149. The next prime is 140402513243. The reversal of 140402513213 is 312315204041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139485816484 + 916696729 = 373478^2 + 30277^2 .

It is a cyclic number.

It is not a de Polignac number, because 140402513213 - 2⁶ = 140402513149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140402513243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70201256606 + 70201256607.

It is an arithmetic number, because the mean of its divisors is an integer number (70201256607).

Almost surely, 2^140402513213 is an apocalyptic number.

It is an amenable number.

140402513213 is a deficient number, since it is larger than the sum of its proper divisors (1).

140402513213 is an equidigital number, since it uses as much as digits as its factorization.

140402513213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 140402513213 its reverse (312315204041), we get a palindrome (452717717254).

The spelling of 140402513213 in words is "one hundred forty billion, four hundred two million, five hundred thirteen thousand, two hundred thirteen".