131141620 has 12 divisors (see below), whose sum is σ = 275397444. Its totient is φ = 52456640.

The previous prime is 131141599. The next prime is 131141627. The reversal of 131141620 is 26141131.

It can be written as a sum of positive squares in 2 ways, for example, as 102454884 + 28686736 = 10122^2 + 5356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131141627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3278521 + ... + 3278560.

It is an arithmetic number, because the mean of its divisors is an integer number (22949787).

Almost surely, 2^131141620 is an apocalyptic number.

131141620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131141620 is an abundant number, since it is smaller than the sum of its proper divisors (144255824).

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

131141620 is a wasteful number, since it uses less digits than its factorization.

131141620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6557090 (or 6557088 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 131141620 is about 11451.7081695265. The cubic root of 131141620 is about 508.0582579352.

Adding to 131141620 its reverse (26141131), we get a palindrome (157282751).

The spelling of 131141620 in words is "one hundred thirty-one million, one hundred forty-one thousand, six hundred twenty".