131425550 has 24 divisors (see below), whose sum is σ = 247807056. Its totient is φ = 51848640.

The previous prime is 131425549. The next prime is 131425577. The reversal of 131425550 is 55524131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14354 + ... + 21653.

It is an arithmetic number, because the mean of its divisors is an integer number (10325294).

Almost surely, 2^131425550 is an apocalyptic number.

131425550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131425550 is a deficient number, since it is larger than the sum of its proper divisors (116381506).

131425550 is a wasteful number, since it uses less digits than its factorization.

131425550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36092 (or 36087 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 131425550 is about 11464.0983073245. The cubic root of 131425550 is about 508.4246531868.

Adding to 131425550 its reverse (55524131), we get a palindrome (186949681).

The spelling of 131425550 in words is "one hundred thirty-one million, four hundred twenty-five thousand, five hundred fifty".