136533450 has 48 divisors (see below), whose sum is σ = 350290080. Its totient is φ = 35152320.

The previous prime is 136533437. The next prime is 136533469. The reversal of 136533450 is 54335631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11344 + ... + 20043.

It is an arithmetic number, because the mean of its divisors is an integer number (7297710).

Almost surely, 2^136533450 is an apocalyptic number.

136533450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136533450 is an abundant number, since it is smaller than the sum of its proper divisors (213756630).

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

136533450 is a wasteful number, since it uses less digits than its factorization.

136533450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31431 (or 31426 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 136533450 is about 11684.7528857054. The cubic root of 136533450 is about 514.9278184569.

The spelling of 136533450 in words is "one hundred thirty-six million, five hundred thirty-three thousand, four hundred fifty".