131025745 has 8 divisors (see below), whose sum is σ = 157425984. Its totient is φ = 104690544.

The previous prime is 131025731. The next prime is 131025761. The reversal of 131025745 is 547520131.

It is a happy number.

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 131025745 - 2⁷ = 131025617 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, 11709 + ... + 19978.

It is an arithmetic number, because the mean of its divisors is an integer number (19678248).

Almost surely, 2^131025745 is an apocalyptic number.

It is an amenable number.

131025745 is a deficient number, since it is larger than the sum of its proper divisors (26400239).

131025745 is an equidigital number, since it uses as much as digits as its factorization.

131025745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32519.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 131025745 is about 11446.6477625548. The cubic root of 131025745 is about 507.9085759897.

Adding to 131025745 its reverse (547520131), we get a palindrome (678545876).

The spelling of 131025745 in words is "one hundred thirty-one million, twenty-five thousand, seven hundred forty-five".