131697150 has 48 divisors (see below), whose sum is σ = 351737904. Its totient is φ = 32417280.

The previous prime is 131697131. The next prime is 131697161. The reversal of 131697150 is 51796131.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31819 + ... + 35718.

It is an arithmetic number, because the mean of its divisors is an integer number (7327873).

Almost surely, 2^131697150 is an apocalyptic number.

131697150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131697150 is an abundant number, since it is smaller than the sum of its proper divisors (220040754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131697150 is a wasteful number, since it uses less digits than its factorization.

131697150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67565 (or 67560 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 131697150 is about 11475.9378701699. The cubic root of 131697150 is about 508.7746437885.

The spelling of 131697150 in words is "one hundred thirty-one million, six hundred ninety-seven thousand, one hundred fifty".