131120434 has 8 divisors (see below), whose sum is σ = 197933868. Its totient is φ = 65142480.

The previous prime is 131120417. The next prime is 131120453. The reversal of 131120434 is 434021131.

It can be written as a sum of positive squares in 2 ways, for example, as 130028409 + 1092025 = 11403^2 + 1045^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208477 + ... + 209104.

Almost surely, 2^131120434 is an apocalyptic number.

131120434 is a deficient number, since it is larger than the sum of its proper divisors (66813434).

131120434 is a wasteful number, since it uses less digits than its factorization.

131120434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417740.

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

The square root of 131120434 is about 11450.7831173243. The cubic root of 131120434 is about 508.0308974325.

Adding to 131120434 its reverse (434021131), we get a palindrome (565141565).

The spelling of 131120434 in words is "one hundred thirty-one million, one hundred twenty thousand, four hundred thirty-four".