131133142 has 8 divisors (see below), whose sum is σ = 224799696. Its totient is φ = 56199912.

The previous prime is 131133113. The next prime is 131133179. The reversal of 131133142 is 241331131.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4683313 + ... + 4683340.

It is an arithmetic number, because the mean of its divisors is an integer number (28099962).

Almost surely, 2^131133142 is an apocalyptic number.

131133142 is a deficient number, since it is larger than the sum of its proper divisors (93666554).

131133142 is an equidigital number, since it uses as much as digits as its factorization.

131133142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9366662.

The product of its digits is 216, while the sum is 19.

The square root of 131133142 is about 11451.3380004260. The cubic root of 131133142 is about 508.0473094386.

Adding to 131133142 its reverse (241331131), we get a palindrome (372464273).

It can be divided in two parts, 1311 and 33142, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 131133142 in words is "one hundred thirty-one million, one hundred thirty-three thousand, one hundred forty-two".