131202145 has 8 divisors (see below), whose sum is σ = 160792704. Its totient is φ = 102728304.

The previous prime is 131202139. The next prime is 131202151. The reversal of 131202145 is 541202131.

It is an interprime number because it is at equal distance from previous prime (131202139) and next prime (131202151).

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

It is a cyclic number.

It is not a de Polignac number, because 131202145 - 2⁹ = 131201633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278919 + ... + 279388.

It is an arithmetic number, because the mean of its divisors is an integer number (20099088).

Almost surely, 2^131202145 is an apocalyptic number.

It is an amenable number.

131202145 is a deficient number, since it is larger than the sum of its proper divisors (29590559).

131202145 is an equidigital number, since it uses as much as digits as its factorization.

131202145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558359.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 131202145 is about 11454.3504835499. The cubic root of 131202145 is about 508.1364062673.

Adding to 131202145 its reverse (541202131), we get a palindrome (672404276).

The spelling of 131202145 in words is "one hundred thirty-one million, two hundred two thousand, one hundred forty-five".