136674451 has 4 divisors (see below), whose sum is σ = 136937304. Its totient is φ = 136411600.

The previous prime is 136674427. The next prime is 136674457. The reversal of 136674451 is 154476631.

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

It is a cyclic number.

It is not a de Polignac number, because 136674451 - 2²¹ = 134577299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136674451.

It is not an unprimeable number, because it can be changed into a prime (136674457) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 130645 + ... + 131686.

It is an arithmetic number, because the mean of its divisors is an integer number (34234326).

Almost surely, 2^136674451 is an apocalyptic number.

136674451 is a deficient number, since it is larger than the sum of its proper divisors (262853).

136674451 is an equidigital number, since it uses as much as digits as its factorization.

136674451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262852.

The product of its digits is 60480, while the sum is 37.

The square root of 136674451 is about 11690.7848752768. The cubic root of 136674451 is about 515.1050164450.

The spelling of 136674451 in words is "one hundred thirty-six million, six hundred seventy-four thousand, four hundred fifty-one".