131850602 has 8 divisors (see below), whose sum is σ = 212989476. Its totient is φ = 60854112.

The previous prime is 131850601. The next prime is 131850613. The reversal of 131850602 is 206058131.

It can be written as a sum of positive squares in 2 ways, for example, as 127486681 + 4363921 = 11291^2 + 2089^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 5071177 = 131850602 / (1 + 3 + 1 + 8 + 5 + 0 + 6 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (131850601) by changing a digit.

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, 2535563 + ... + 2535614.

Almost surely, 2^131850602 is an apocalyptic number.

131850602 is a deficient number, since it is larger than the sum of its proper divisors (81138874).

131850602 is a wasteful number, since it uses less digits than its factorization.

131850602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071192.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 131850602 is about 11482.6217389584. The cubic root of 131850602 is about 508.9721732040.

It can be divided in two parts, 131850 and 602, that multiplied together give a triangular number (79373700 = T₁₂₅₉₉).

The spelling of 131850602 in words is "one hundred thirty-one million, eight hundred fifty thousand, six hundred two".