131634822 has 16 divisors (see below), whose sum is σ = 287203392. Its totient is φ = 39889320.

The previous prime is 131634787. The next prime is 131634823. The reversal of 131634822 is 228436131.

It is a self number, because there is not a number n which added to its sum of digits gives 131634822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131634823) 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, 997168 + ... + 997299.

It is an arithmetic number, because the mean of its divisors is an integer number (17950212).

Almost surely, 2^131634822 is an apocalyptic number.

131634822 is an abundant number, since it is smaller than the sum of its proper divisors (155568570).

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

131634822 is a wasteful number, since it uses less digits than its factorization.

131634822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994483.

The product of its digits is 6912, while the sum is 30.

The square root of 131634822 is about 11473.2219537495. The cubic root of 131634822 is about 508.6943689309.

The spelling of 131634822 in words is "one hundred thirty-one million, six hundred thirty-four thousand, eight hundred twenty-two".