131544134 has 8 divisors (see below), whose sum is σ = 197445600. Its totient is φ = 65728936.

The previous prime is 131544109. The next prime is 131544137. The reversal of 131544134 is 431445131.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131544137) 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, 17609 + ... + 23940.

It is an arithmetic number, because the mean of its divisors is an integer number (24680700).

Almost surely, 2^131544134 is an apocalyptic number.

131544134 is a deficient number, since it is larger than the sum of its proper divisors (65901466).

131544134 is a wasteful number, since it uses less digits than its factorization.

131544134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43134.

The product of its digits is 2880, while the sum is 26.

The square root of 131544134 is about 11469.2691135922. The cubic root of 131544134 is about 508.5775227641.

Adding to 131544134 its reverse (431445131), we get a palindrome (562989265).

The spelling of 131544134 in words is "one hundred thirty-one million, five hundred forty-four thousand, one hundred thirty-four".