136542064 has 10 divisors (see below), whose sum is σ = 264550280. Its totient is φ = 68271024.

The previous prime is 136542061. The next prime is 136542067. The reversal of 136542064 is 460245631.

It is an interprime number because it is at equal distance from previous prime (136542061) and next prime (136542067).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136542061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4266924 + ... + 4266955.

It is an arithmetic number, because the mean of its divisors is an integer number (26455028).

Almost surely, 2^136542064 is an apocalyptic number.

It is an amenable number.

136542064 is a deficient number, since it is larger than the sum of its proper divisors (128008216).

136542064 is an equidigital number, since it uses as much as digits as its factorization.

136542064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8533887 (or 8533881 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 136542064 is about 11685.1214798991. The cubic root of 136542064 is about 514.9386472927.

Adding to 136542064 its reverse (460245631), we get a palindrome (596787695).

The spelling of 136542064 in words is "one hundred thirty-six million, five hundred forty-two thousand, sixty-four".