136250461 has 4 divisors (see below), whose sum is σ = 144265212. Its totient is φ = 128235712.

The previous prime is 136250449. The next prime is 136250467. The reversal of 136250461 is 164052631.

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

It can be written as a sum of positive squares in 2 ways, for example, as 81342361 + 54908100 = 9019^2 + 7410^2 .

It is a cyclic number.

It is not a de Polignac number, because 136250461 - 2¹⁵ = 136217693 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 (136250467) 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, 4007350 + ... + 4007383.

It is an arithmetic number, because the mean of its divisors is an integer number (36066303).

Almost surely, 2^136250461 is an apocalyptic number.

It is an amenable number.

136250461 is a deficient number, since it is larger than the sum of its proper divisors (8014751).

136250461 is an equidigital number, since it uses as much as digits as its factorization.

136250461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8014750.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 136250461 is about 11672.6372769824. The cubic root of 136250461 is about 514.5718136333.

The spelling of 136250461 in words is "one hundred thirty-six million, two hundred fifty thousand, four hundred sixty-one".