131145410 has 64 divisors (see below), whose sum is σ = 273715200. Its totient is φ = 44740800.

The previous prime is 131145409. The next prime is 131145431. The reversal of 131145410 is 14541131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273551 + ... + 274029.

It is an arithmetic number, because the mean of its divisors is an integer number (4276800).

Almost surely, 2^131145410 is an apocalyptic number.

131145410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131145410 is an abundant number, since it is smaller than the sum of its proper divisors (142569790).

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

131145410 is a wasteful number, since it uses less digits than its factorization.

131145410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 131145410 is about 11451.8736458276. The cubic root of 131145410 is about 508.0631521919.

Adding to 131145410 its reverse (14541131), we get a palindrome (145686541).

It can be divided in two parts, 131 and 145410, that added together give a palindrome (145541).

The spelling of 131145410 in words is "one hundred thirty-one million, one hundred forty-five thousand, four hundred ten".