131268750 has 48 divisors (see below), whose sum is σ = 328197744. Its totient is φ = 35000000.

The previous prime is 131268737. The next prime is 131268769. The reversal of 131268750 is 57862131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15250 + ... + 22250.

It is an arithmetic number, because the mean of its divisors is an integer number (6837453).

Almost surely, 2^131268750 is an apocalyptic number.

131268750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131268750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164098872).

131268750 is an abundant number, since it is smaller than the sum of its proper divisors (196928994).

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

131268750 is an frugal number, since it uses more digits than its factorization.

131268750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7031 (or 7011 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 131268750 is about 11457.2575252545. The cubic root of 131268750 is about 508.2223771684. Note that the first 3 decimals are identical.

The spelling of 131268750 in words is "one hundred thirty-one million, two hundred sixty-eight thousand, seven hundred fifty".