136039461 has 4 divisors (see below), whose sum is σ = 181385952. Its totient is φ = 90692972.

The previous prime is 136039459. The next prime is 136039469. The reversal of 136039461 is 164930631.

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 136039461 - 2¹ = 136039459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136039469) 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, 22673241 + ... + 22673246.

It is an arithmetic number, because the mean of its divisors is an integer number (45346488).

Almost surely, 2^136039461 is an apocalyptic number.

It is an amenable number.

136039461 is a deficient number, since it is larger than the sum of its proper divisors (45346491).

136039461 is an equidigital number, since it uses as much as digits as its factorization.

136039461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45346490.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 136039461 is about 11663.5955433991. The cubic root of 136039461 is about 514.3060512350.

The spelling of 136039461 in words is "one hundred thirty-six million, thirty-nine thousand, four hundred sixty-one".