131440034 has 8 divisors (see below), whose sum is σ = 215083728. Its totient is φ = 59745460.

The previous prime is 131440033. The next prime is 131440061. The reversal of 131440034 is 430044131.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 131439988 and 131440015.

It is not an unprimeable number, because it can be changed into a prime (131440033) 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, 2987252 + ... + 2987295.

It is an arithmetic number, because the mean of its divisors is an integer number (26885466).

Almost surely, 2^131440034 is an apocalyptic number.

131440034 is a deficient number, since it is larger than the sum of its proper divisors (83643694).

131440034 is a wasteful number, since it uses less digits than its factorization.

131440034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5974560.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 131440034 is about 11464.7300011819. The cubic root of 131440034 is about 508.4433297992.

Adding to 131440034 its reverse (430044131), we get a palindrome (561484165).

The spelling of 131440034 in words is "one hundred thirty-one million, four hundred forty thousand, thirty-four".