131039287446 has 16 divisors (see below), whose sum is σ = 262599611904. Its totient is φ = 43592922984.

The previous prime is 131039287439. The next prime is 131039287453. The reversal of 131039287446 is 644782930131.

It is an interprime number because it is at equal distance from previous prime (131039287439) and next prime (131039287453).

It is a junction number, because it is equal to n+sod(n) for n = 131039287395 and 131039287404.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21706606 + ... + 21712641.

It is an arithmetic number, because the mean of its divisors is an integer number (16412475744).

Almost surely, 2^131039287446 is an apocalyptic number.

131039287446 is an abundant number, since it is smaller than the sum of its proper divisors (131560324458).

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

131039287446 is a wasteful number, since it uses less digits than its factorization.

131039287446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43419755.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 131039287446 in words is "one hundred thirty-one billion, thirty-nine million, two hundred eighty-seven thousand, four hundred forty-six".