136134540 has 48 divisors (see below), whose sum is σ = 423531360. Its totient is φ = 36302400.

The previous prime is 136134533. The next prime is 136134541. The reversal of 136134540 is 45431631.

136134540 is a `hidden beast` number, since 1 + 3 + 613 + 4 + 5 + 40 = 666.

136134540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×136134540² = 37065225962023200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (136134541) 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, 125511 + ... + 126590.

It is an arithmetic number, because the mean of its divisors is an integer number (8823570).

Almost surely, 2^136134540 is an apocalyptic number.

136134540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136134540 is an abundant number, since it is smaller than the sum of its proper divisors (287396820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136134540 is a wasteful number, since it uses less digits than its factorization.

136134540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252119 (or 252111 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 136134540 is about 11667.6707186996. The cubic root of 136134540 is about 514.4258407848.

The spelling of 136134540 in words is "one hundred thirty-six million, one hundred thirty-four thousand, five hundred forty".