136556245 has 16 divisors (see below), whose sum is σ = 188477568. Its totient is φ = 93038400.

The previous prime is 136556243. The next prime is 136556269. The reversal of 136556245 is 542655631.

136556245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136556245 - 2¹ = 136556243 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 (136556243) 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, 6931 + ... + 17920.

It is an arithmetic number, because the mean of its divisors is an integer number (11779848).

Almost surely, 2^136556245 is an apocalyptic number.

It is an amenable number.

136556245 is a deficient number, since it is larger than the sum of its proper divisors (51921323).

136556245 is a wasteful number, since it uses less digits than its factorization.

136556245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25020.

The product of its digits is 108000, while the sum is 37.

The square root of 136556245 is about 11685.7282614307. The cubic root of 136556245 is about 514.9564735262.

It can be divided in two parts, 13655 and 6245, that added together give a triangular number (19900 = T₁₉₉).

The spelling of 136556245 in words is "one hundred thirty-six million, five hundred fifty-six thousand, two hundred forty-five".