1533135450 has 96 divisors (see below), whose sum is σ = 4740410880. Its totient is φ = 318571200.

The previous prime is 1533135437. The next prime is 1533135493. The reversal of 1533135450 is 545313351.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54820 + ... + 77919.

It is an arithmetic number, because the mean of its divisors is an integer number (49379280).

Almost surely, 2^1533135450 is an apocalyptic number.

1533135450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1533135450 is an abundant number, since it is smaller than the sum of its proper divisors (3207275430).

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

1533135450 is a wasteful number, since it uses less digits than its factorization.

1533135450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132772 (or 132767 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 1533135450 is about 39155.2735911780. The cubic root of 1533135450 is about 1153.0819536519.

The spelling of 1533135450 in words is "one billion, five hundred thirty-three million, one hundred thirty-five thousand, four hundred fifty".