136884898847506 has 4 divisors (see below), whose sum is σ = 205327348271262. Its totient is φ = 68442449423752.

The previous prime is 136884898847479. The next prime is 136884898847551. The reversal of 136884898847506 is 605748898488631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 136213057971225 + 671840876281 = 11671035^2 + 819659^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34221224711875 + ... + 34221224711878.

Almost surely, 2^{136884898847506} is an apocalyptic number.

136884898847506 is a deficient number, since it is larger than the sum of its proper divisors (68442449423756).

136884898847506 is an equidigital number, since it uses as much as digits as its factorization.

136884898847506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68442449423755.

The product of its (nonzero) digits is 17836277760, while the sum is 85.

The spelling of 136884898847506 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 six".