131133208 has 32 divisors (see below), whose sum is σ = 249480000. Its totient is φ = 64612512.

The previous prime is 131133203. The next prime is 131133221. The reversal of 131133208 is 802331131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131133203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262543 + ... + 263041.

It is an arithmetic number, because the mean of its divisors is an integer number (7796250).

Almost surely, 2^131133208 is an apocalyptic number.

It is an amenable number.

131133208 is a deficient number, since it is larger than the sum of its proper divisors (118346792).

131133208 is a wasteful number, since it uses less digits than its factorization.

131133208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 131133208 is about 11451.3408821849. The cubic root of 131133208 is about 508.0473946729.

Adding to 131133208 its reverse (802331131), we get a palindrome (933464339).

The spelling of 131133208 in words is "one hundred thirty-one million, one hundred thirty-three thousand, two hundred eight".