10131894 has 24 divisors (see below), whose sum is σ = 22024080. Its totient is φ = 3366288.

The previous prime is 10131871. The next prime is 10131923. The reversal of 10131894 is 49813101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6279 + ... + 7725.

It is an arithmetic number, because the mean of its divisors is an integer number (917670).

Almost surely, 2^10131894 is an apocalyptic number.

10131894 is an abundant number, since it is smaller than the sum of its proper divisors (11892186).

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

10131894 is a wasteful number, since it uses less digits than its factorization.

10131894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 10131894 is about 3183.0636185914. The cubic root of 10131894 is about 216.3865249917.

Adding to 10131894 its reverse (49813101), we get a palindrome (59944995).

It can be divided in two parts, 10131 and 894, that added together give a square (11025 = 105²).

The spelling of 10131894 in words is "ten million, one hundred thirty-one thousand, eight hundred ninety-four".