2136480220387 has 2 divisors, whose sum is σ = 2136480220388. Its totient is φ = 2136480220386.

The previous prime is 2136480220363. The next prime is 2136480220421. The reversal of 2136480220387 is 7830220846312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2136480220387 is a prime.

It is not a weakly prime, because it can be changed into another prime (2136480220307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068240110193 + 1068240110194.

It is an arithmetic number, because the mean of its divisors is an integer number (1068240110194).

Almost surely, 2^{2136480220387} is an apocalyptic number.

2136480220387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136480220387 is an equidigital number, since it uses as much as digits as its factorization.

2136480220387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 2136480220387 in words is "two trillion, one hundred thirty-six billion, four hundred eighty million, two hundred twenty thousand, three hundred eighty-seven".