131520153 has 8 divisors (see below), whose sum is σ = 175443328. Its totient is φ = 87638544.

The previous prime is 131520149. The next prime is 131520157. The reversal of 131520153 is 351025131.

It is an interprime number because it is at equal distance from previous prime (131520149) and next prime (131520157).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131520153 - 2² = 131520149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131520157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2050 + ... + 16347.

It is an arithmetic number, because the mean of its divisors is an integer number (21930416).

Almost surely, 2^131520153 is an apocalyptic number.

It is an amenable number.

131520153 is a deficient number, since it is larger than the sum of its proper divisors (43923175).

131520153 is a wasteful number, since it uses less digits than its factorization.

131520153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20783.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 131520153 is about 11468.2236200730. The cubic root of 131520153 is about 508.5466156751.

Adding to 131520153 its reverse (351025131), we get a palindrome (482545284).

The spelling of 131520153 in words is "one hundred thirty-one million, five hundred twenty thousand, one hundred fifty-three".