131061894 has 8 divisors (see below), whose sum is σ = 262123800. Its totient is φ = 43687296.

The previous prime is 131061883. The next prime is 131061899. The reversal of 131061894 is 498160131.

It is a sphenic number, since it is the product of 3 distinct primes.

131061894 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131061899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10921819 + ... + 10921830.

It is an arithmetic number, because the mean of its divisors is an integer number (32765475).

Almost surely, 2^131061894 is an apocalyptic number.

131061894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131061894 is a wasteful number, since it uses less digits than its factorization.

131061894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21843654.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 131061894 is about 11448.2266749047. The cubic root of 131061894 is about 507.9552810574.

The spelling of 131061894 in words is "one hundred thirty-one million, sixty-one thousand, eight hundred ninety-four".