1533009137 has 6 divisors (see below), whose sum is σ = 1685043234. Its totient is φ = 1393644560.

The previous prime is 1533009131. The next prime is 1533009139. The reversal of 1533009137 is 7319003351.

It can be written as a sum of positive squares in only one way, i.e., 1519752256 + 13256881 = 38984^2 + 3641^2 .

It is not a de Polignac number, because 1533009137 - 2¹² = 1533005041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1533009131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6334628 + ... + 6334869.

It is an arithmetic number, because the mean of its divisors is an integer number (280840539).

Almost surely, 2^1533009137 is an apocalyptic number.

It is an amenable number.

1533009137 is a deficient number, since it is larger than the sum of its proper divisors (152034097).

1533009137 is a wasteful number, since it uses less digits than its factorization.

1533009137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12669519 (or 12669508 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 32.

The square root of 1533009137 is about 39153.6605823772. The cubic root of 1533009137 is about 1153.0502858170.

The spelling of 1533009137 in words is "one billion, five hundred thirty-three million, nine thousand, one hundred thirty-seven".