13421000137 has 2 divisors, whose sum is σ = 13421000138. Its totient is φ = 13421000136.

The previous prime is 13421000063. The next prime is 13421000167. The reversal of 13421000137 is 73100012431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10753897401 + 2667102736 = 103701^2 + 51644^2 .

It is an emirp because it is prime and its reverse (73100012431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13421000137 - 2²⁷ = 13286782409 is a prime.

It is not a weakly prime, because it can be changed into another prime (13421000167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710500068 + 6710500069.

It is an arithmetic number, because the mean of its divisors is an integer number (6710500069).

Almost surely, 2^13421000137 is an apocalyptic number.

It is an amenable number.

13421000137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13421000137 is an equidigital number, since it uses as much as digits as its factorization.

13421000137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 13421000137 its reverse (73100012431), we get a palindrome (86521012568).

The spelling of 13421000137 in words is "thirteen billion, four hundred twenty-one million, one hundred thirty-seven", and thus it is an aban number.