136884898847479 has 2 divisors, whose sum is σ = 136884898847480. Its totient is φ = 136884898847478.

The previous prime is 136884898847453. The next prime is 136884898847551. The reversal of 136884898847479 is 974748898488631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136884898847479 - 2⁷ = 136884898847351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136884898847419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68442449423739 + 68442449423740.

It is an arithmetic number, because the mean of its divisors is an integer number (68442449423740).

Almost surely, 2^{136884898847479} is an apocalyptic number.

136884898847479 is a deficient number, since it is larger than the sum of its proper divisors (1).

136884898847479 is an equidigital number, since it uses as much as digits as its factorization.

136884898847479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 149824733184, while the sum is 94.

The spelling of 136884898847479 in words is "one hundred thirty-six trillion, eight hundred eighty-four billion, eight hundred ninety-eight million, eight hundred forty-seven thousand, four hundred seventy-nine".