131330146 has 8 divisors (see below), whose sum is σ = 197051904. Its totient is φ = 65646180.

The previous prime is 131330137. The next prime is 131330149. The reversal of 131330146 is 641033131.

It is a happy number.

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 (131330149) 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, 2031 + ... + 16333.

It is an arithmetic number, because the mean of its divisors is an integer number (24631488).

Almost surely, 2^131330146 is an apocalyptic number.

131330146 is a deficient number, since it is larger than the sum of its proper divisors (65721758).

131330146 is a wasteful number, since it uses less digits than its factorization.

131330146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18896.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 131330146 is about 11459.9365617790. The cubic root of 131330146 is about 508.3015987594.

Adding to 131330146 its reverse (641033131), we get a palindrome (772363277).

The spelling of 131330146 in words is "one hundred thirty-one million, three hundred thirty thousand, one hundred forty-six".