131458420 has 12 divisors (see below), whose sum is σ = 276062724. Its totient is φ = 52583360.

The previous prime is 131458403. The next prime is 131458451. The reversal of 131458420 is 24854131.

It can be written as a sum of positive squares in 2 ways, for example, as 99241444 + 32216976 = 9962^2 + 5676^2 .

It is a congruent number.

It is an unprimeable number.

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, 3286441 + ... + 3286480.

It is an arithmetic number, because the mean of its divisors is an integer number (23005227).

Almost surely, 2^131458420 is an apocalyptic number.

131458420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131458420 is an abundant number, since it is smaller than the sum of its proper divisors (144604304).

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

131458420 is a wasteful number, since it uses less digits than its factorization.

131458420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6572930 (or 6572928 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 131458420 is about 11465.5318236879. The cubic root of 131458420 is about 508.4670359282.

The spelling of 131458420 in words is "one hundred thirty-one million, four hundred fifty-eight thousand, four hundred twenty".