1518320133 has 48 divisors (see below), whose sum is σ = 2627142336. Its totient is φ = 866039040.

The previous prime is 1518320131. The next prime is 1518320147. The reversal of 1518320133 is 3310238151.

It is not a de Polignac number, because 1518320133 - 2¹ = 1518320131 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1518320097 and 1518320106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1518320131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28735 + ... + 62147.

It is an arithmetic number, because the mean of its divisors is an integer number (54732132).

Almost surely, 2^1518320133 is an apocalyptic number.

It is an amenable number.

1518320133 is a deficient number, since it is larger than the sum of its proper divisors (1108822203).

1518320133 is a wasteful number, since it uses less digits than its factorization.

1518320133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33456 (or 33444 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1518320133 is about 38965.6275838078. The cubic root of 1518320133 is about 1149.3556902461.

Adding to 1518320133 its reverse (3310238151), we get a palindrome (4828558284).

The spelling of 1518320133 in words is "one billion, five hundred eighteen million, three hundred twenty thousand, one hundred thirty-three".