131041145 has 8 divisors (see below), whose sum is σ = 157666560. Its totient is φ = 104554800.

The previous prime is 131041139. The next prime is 131041153. The reversal of 131041145 is 541140131.

It is a happy number.

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

It is not a de Polignac number, because 131041145 - 2¹⁶ = 130975609 is a prime.

It is a super-2 number, since 2×131041145² = 34343563365822050, which contains 22 as substring.

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, 32681 + ... + 36470.

It is an arithmetic number, because the mean of its divisors is an integer number (19708320).

Almost surely, 2^131041145 is an apocalyptic number.

It is an amenable number.

131041145 is a deficient number, since it is larger than the sum of its proper divisors (26625415).

131041145 is an equidigital number, since it uses as much as digits as its factorization.

131041145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69535.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 131041145 is about 11447.3204288165. The cubic root of 131041145 is about 507.9284740783.

Adding to 131041145 its reverse (541140131), we get a palindrome (672181276).

The spelling of 131041145 in words is "one hundred thirty-one million, forty-one thousand, one hundred forty-five".