136451386 has 8 divisors (see below), whose sum is σ = 205738164. Its totient is φ = 67872000.

The previous prime is 136451383. The next prime is 136451417. The reversal of 136451386 is 683154631.

It can be written as a sum of positive squares in 2 ways, for example, as 136445761 + 5625 = 11681^2 + 75^2 .

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

It is not an unprimeable number, because it can be changed into a prime (136451383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176365 + ... + 177136.

Almost surely, 2^136451386 is an apocalyptic number.

136451386 is a deficient number, since it is larger than the sum of its proper divisors (69286778).

136451386 is a wasteful number, since it uses less digits than its factorization.

136451386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353696.

The product of its digits is 51840, while the sum is 37.

The square root of 136451386 is about 11681.2407731371. The cubic root of 136451386 is about 514.8246312755.

The spelling of 136451386 in words is "one hundred thirty-six million, four hundred fifty-one thousand, three hundred eighty-six".