131240735 has 8 divisors (see below), whose sum is σ = 159258960. Its totient is φ = 103812544.

The previous prime is 131240723. The next prime is 131240761. The reversal of 131240735 is 537042131.

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 131240735 - 2⁴ = 131240719 is a prime.

It is a congruent 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, 147017 + ... + 147906.

It is an arithmetic number, because the mean of its divisors is an integer number (19907370).

Almost surely, 2^131240735 is an apocalyptic number.

131240735 is a deficient number, since it is larger than the sum of its proper divisors (28018225).

131240735 is an equidigital number, since it uses as much as digits as its factorization.

131240735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295017.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 131240735 is about 11456.0348725028. The cubic root of 131240735 is about 508.1862201422.

Adding to 131240735 its reverse (537042131), we get a palindrome (668282866).

The spelling of 131240735 in words is "one hundred thirty-one million, two hundred forty thousand, seven hundred thirty-five".