131413551 has 16 divisors (see below), whose sum is σ = 180278784. Its totient is φ = 85106624.

The previous prime is 131413531. The next prime is 131413613. The reversal of 131413551 is 155314131.

It is a cyclic number.

It is not a de Polignac number, because 131413551 - 2¹¹ = 131411503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131413531) 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 15 ways as a sum of consecutive naturals, for example, 15916 + ... + 22718.

It is an arithmetic number, because the mean of its divisors is an integer number (11267424).

Almost surely, 2^131413551 is an apocalyptic number.

131413551 is a deficient number, since it is larger than the sum of its proper divisors (48865233).

131413551 is a wasteful number, since it uses less digits than its factorization.

131413551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6990.

The product of its digits is 900, while the sum is 24.

The square root of 131413551 is about 11463.5749659519. The cubic root of 131413551 is about 508.4091798559.

Adding to 131413551 its reverse (155314131), we get a palindrome (286727682).

The spelling of 131413551 in words is "one hundred thirty-one million, four hundred thirteen thousand, five hundred fifty-one".