136974815 has 8 divisors (see below), whose sum is σ = 164442960. Its totient is φ = 109531072.

The previous prime is 136974793. The next prime is 136974853. The reversal of 136974815 is 518479631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136974815 - 2¹² = 136970719 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10232 + ... + 19458.

It is an arithmetic number, because the mean of its divisors is an integer number (20555370).

Almost surely, 2^136974815 is an apocalyptic number.

136974815 is a deficient number, since it is larger than the sum of its proper divisors (27468145).

136974815 is an equidigital number, since it uses as much as digits as its factorization.

136974815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12201.

The product of its digits is 181440, while the sum is 44.

The square root of 136974815 is about 11703.6240113907. The cubic root of 136974815 is about 515.4820822884.

The spelling of 136974815 in words is "one hundred thirty-six million, nine hundred seventy-four thousand, eight hundred fifteen".