136540430 has 64 divisors (see below), whose sum is σ = 289433088. Its totient is φ = 45895680.

The previous prime is 136540409. The next prime is 136540457. The reversal of 136540430 is 34045631.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 136540430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67514 + ... + 69506.

It is an arithmetic number, because the mean of its divisors is an integer number (4522392).

Almost surely, 2^136540430 is an apocalyptic number.

136540430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136540430 is an abundant number, since it is smaller than the sum of its proper divisors (152892658).

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

136540430 is a wasteful number, since it uses less digits than its factorization.

136540430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 136540430 is about 11685.0515617176. The cubic root of 136540430 is about 514.9365931928.

The spelling of 136540430 in words is "one hundred thirty-six million, five hundred forty thousand, four hundred thirty".