136071461 has 4 divisors (see below), whose sum is σ = 136180800. Its totient is φ = 135962124.

The previous prime is 136071457. The next prime is 136071491. The reversal of 136071461 is 164170631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136071461 - 2² = 136071457 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 (136071401) 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, 52781 + ... + 55298.

It is an arithmetic number, because the mean of its divisors is an integer number (34045200).

Almost surely, 2^136071461 is an apocalyptic number.

It is an amenable number.

136071461 is a deficient number, since it is larger than the sum of its proper divisors (109339).

136071461 is a wasteful number, since it uses less digits than its factorization.

136071461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109338.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 136071461 is about 11664.9672524187. The cubic root of 136071461 is about 514.3463741023.

The spelling of 136071461 in words is "one hundred thirty-six million, seventy-one thousand, four hundred sixty-one".