131140234 has 4 divisors (see below), whose sum is σ = 196710354. Its totient is φ = 65570116.

The previous prime is 131140213. The next prime is 131140241. The reversal of 131140234 is 432041131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 113103225 + 18037009 = 10635^2 + 4247^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32785057 + ... + 32785060.

Almost surely, 2^131140234 is an apocalyptic number.

131140234 is a deficient number, since it is larger than the sum of its proper divisors (65570120).

131140234 is an equidigital number, since it uses as much as digits as its factorization.

131140234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65570119.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 131140234 is about 11451.6476543771. The cubic root of 131140234 is about 508.0564680859.

Adding to 131140234 its reverse (432041131), we get a palindrome (563181365).

The spelling of 131140234 in words is "one hundred thirty-one million, one hundred forty thousand, two hundred thirty-four".