136133705 has 8 divisors (see below), whose sum is σ = 172969992. Its totient is φ = 102500608.

The previous prime is 136133677. The next prime is 136133707. The reversal of 136133705 is 507331631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18215824 + 117917881 = 4268^2 + 10859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136133705 - 2⁸ = 136133449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136133707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800702 + ... + 800871.

It is an arithmetic number, because the mean of its divisors is an integer number (21621249).

Almost surely, 2^136133705 is an apocalyptic number.

It is an amenable number.

136133705 is a deficient number, since it is larger than the sum of its proper divisors (36836287).

136133705 is a wasteful number, since it uses less digits than its factorization.

136133705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601595.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 136133705 is about 11667.6349360100. The cubic root of 136133705 is about 514.4247890153.

The spelling of 136133705 in words is "one hundred thirty-six million, one hundred thirty-three thousand, seven hundred five".