136780151 has 4 divisors (see below), whose sum is σ = 138706704. Its totient is φ = 134853600.

The previous prime is 136780139. The next prime is 136780169. The reversal of 136780151 is 151087631.

136780151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136780151 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 (136780051) 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, 963170 + ... + 963311.

It is an arithmetic number, because the mean of its divisors is an integer number (34676676).

Almost surely, 2^136780151 is an apocalyptic number.

136780151 is a deficient number, since it is larger than the sum of its proper divisors (1926553).

136780151 is an equidigital number, since it uses as much as digits as its factorization.

136780151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926552.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 136780151 is about 11695.3046561430. The cubic root of 136780151 is about 515.2377712505.

It can be divided in two parts, 1367 and 80151, that added together give a palindrome (81518).

The spelling of 136780151 in words is "one hundred thirty-six million, seven hundred eighty thousand, one hundred fifty-one".