131436190 has 8 divisors (see below), whose sum is σ = 236585160. Its totient is φ = 52574472.

The previous prime is 131436157. The next prime is 131436199. The reversal of 131436190 is 91634131.

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

It is a super-2 number, since 2×131436190² = 34550944083432200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131436199) 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, 6571800 + ... + 6571819.

It is an arithmetic number, because the mean of its divisors is an integer number (29573145).

Almost surely, 2^131436190 is an apocalyptic number.

131436190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131436190 is a deficient number, since it is larger than the sum of its proper divisors (105148970).

131436190 is a wasteful number, since it uses less digits than its factorization.

131436190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13143626.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 131436190 is about 11464.5623553627. The cubic root of 131436190 is about 508.4383732291.

The spelling of 131436190 in words is "one hundred thirty-one million, four hundred thirty-six thousand, one hundred ninety".