131146235 has 16 divisors (see below), whose sum is σ = 171908352. Its totient is φ = 95253600.

The previous prime is 131146219. The next prime is 131146243. The reversal of 131146235 is 532641131.

It is not a de Polignac number, because 131146235 - 2⁴ = 131146219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70082 + ... + 71928.

It is an arithmetic number, because the mean of its divisors is an integer number (10744272).

Almost surely, 2^131146235 is an apocalyptic number.

131146235 is a deficient number, since it is larger than the sum of its proper divisors (40762117).

131146235 is a wasteful number, since it uses less digits than its factorization.

131146235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154.

The product of its digits is 2160, while the sum is 26.

The square root of 131146235 is about 11451.9096660775. The cubic root of 131146235 is about 508.0642175519.

Adding to 131146235 its reverse (532641131), we get a palindrome (663787366).

The spelling of 131146235 in words is "one hundred thirty-one million, one hundred forty-six thousand, two hundred thirty-five".