151513133 has 4 divisors (see below), whose sum is σ = 151568640. Its totient is φ = 151457628.

The previous prime is 151513111. The next prime is 151513147. The reversal of 151513133 is 331315151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331315151 = 15287 ⋅21673.

It is a cyclic number.

It is not a de Polignac number, because 151513133 - 2⁸ = 151512877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 151513099 and 151513108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151513633) 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 in 3 ways as a sum of consecutive naturals, for example, 23435 + ... + 29192.

It is an arithmetic number, because the mean of its divisors is an integer number (37892160).

Almost surely, 2^151513133 is an apocalyptic number.

It is an amenable number.

151513133 is a deficient number, since it is larger than the sum of its proper divisors (55507).

151513133 is an equidigital number, since it uses as much as digits as its factorization.

151513133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55506.

The product of its digits is 675, while the sum is 23.

The square root of 151513133 is about 12309.0671051871. The cubic root of 151513133 is about 533.1099147107.

Adding to 151513133 its reverse (331315151), we get a palindrome (482828284).

The spelling of 151513133 in words is "one hundred fifty-one million, five hundred thirteen thousand, one hundred thirty-three".