131748858 has 12 divisors (see below), whose sum is σ = 285455898. Its totient is φ = 43916280.

The previous prime is 131748857. The next prime is 131748863. The reversal of 131748858 is 858847131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 88228449 + 43520409 = 9393^2 + 6597^2 .

It is not an unprimeable number, because it can be changed into a prime (131748857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3659673 + ... + 3659708.

Almost surely, 2^131748858 is an apocalyptic number.

131748858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

131748858 is an abundant number, since it is smaller than the sum of its proper divisors (153707040).

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

131748858 is a wasteful number, since it uses less digits than its factorization.

131748858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7319389 (or 7319386 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 131748858 is about 11478.1905368399. The cubic root of 131748858 is about 508.8412214808.

The spelling of 131748858 in words is "one hundred thirty-one million, seven hundred forty-eight thousand, eight hundred fifty-eight".