136378007 has 4 divisors (see below), whose sum is σ = 138298896. Its totient is φ = 134457120.

The previous prime is 136377979. The next prime is 136378009. The reversal of 136378007 is 700873631.

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 136378007 - 2⁸ = 136377751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136378009) 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, 960338 + ... + 960479.

It is an arithmetic number, because the mean of its divisors is an integer number (34574724).

Almost surely, 2^136378007 is an apocalyptic number.

136378007 is a deficient number, since it is larger than the sum of its proper divisors (1920889).

136378007 is an equidigital number, since it uses as much as digits as its factorization.

136378007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920888.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 136378007 is about 11678.0994601005. The cubic root of 136378007 is about 514.7323295615.

The spelling of 136378007 in words is "one hundred thirty-six million, three hundred seventy-eight thousand, seven".