136884898847523 has 32 divisors (see below), whose sum is σ = 185984259181056. Its totient is φ = 89535312292608.

The previous prime is 136884898847479. The next prime is 136884898847551. The reversal of 136884898847523 is 325748898488631.

It is a happy number.

It is a Cunningham number, because it is equal to 11699782²-1.

It is not a de Polignac number, because 136884898847523 - 2²⁰ = 136884897798947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136884898867523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33149386 + ... + 37049312.

It is an arithmetic number, because the mean of its divisors is an integer number (5812008099408).

Almost surely, 2^{136884898847523} is an apocalyptic number.

136884898847523 is a deficient number, since it is larger than the sum of its proper divisors (49099360333533).

136884898847523 is a wasteful number, since it uses less digits than its factorization.

136884898847523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900843.

The product of its digits is 17836277760, while the sum is 84.

The spelling of 136884898847523 in words is "one hundred thirty-six trillion, eight hundred eighty-four billion, eight hundred ninety-eight million, eight hundred forty-seven thousand, five hundred twenty-three".