131453434 has 8 divisors (see below), whose sum is σ = 225348768. Its totient is φ = 56337180.

The previous prime is 131453417. The next prime is 131453437. The reversal of 131453434 is 434354131.

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

It is not an unprimeable number, because it can be changed into a prime (131453437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4694752 + ... + 4694779.

It is an arithmetic number, because the mean of its divisors is an integer number (28168596).

Almost surely, 2^131453434 is an apocalyptic number.

131453434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131453434 is a deficient number, since it is larger than the sum of its proper divisors (93895334).

131453434 is an equidigital number, since it uses as much as digits as its factorization.

131453434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9389540.

The product of its digits is 8640, while the sum is 28.

The square root of 131453434 is about 11465.3143873162. The cubic root of 131453434 is about 508.4606074096.

The spelling of 131453434 in words is "one hundred thirty-one million, four hundred fifty-three thousand, four hundred thirty-four".