136416261 has 16 divisors (see below), whose sum is σ = 189221760. Its totient is φ = 87312960.

The previous prime is 136416239. The next prime is 136416277. The reversal of 136416261 is 162614631.

It is not a de Polignac number, because 136416261 - 2⁹ = 136415749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136416281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11416 + ... + 20078.

It is an arithmetic number, because the mean of its divisors is an integer number (11826360).

Almost surely, 2^136416261 is an apocalyptic number.

It is an amenable number.

136416261 is a deficient number, since it is larger than the sum of its proper divisors (52805499).

136416261 is a wasteful number, since it uses less digits than its factorization.

136416261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8876.

The product of its digits is 5184, while the sum is 30.

The square root of 136416261 is about 11679.7371973859. The cubic root of 136416261 is about 514.7804524961.

The spelling of 136416261 in words is "one hundred thirty-six million, four hundred sixteen thousand, two hundred sixty-one".