131706726 has 8 divisors (see below), whose sum is σ = 263413464. Its totient is φ = 43902240.

The previous prime is 131706683. The next prime is 131706733. The reversal of 131706726 is 627607131.

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

131706726 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10975555 + ... + 10975566.

It is an arithmetic number, because the mean of its divisors is an integer number (32926683).

Almost surely, 2^131706726 is an apocalyptic number.

131706726 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.

131706726 is a wasteful number, since it uses less digits than its factorization.

131706726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21951126.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 131706726 is about 11476.3550833878. The cubic root of 131706726 is about 508.7869748777.

The spelling of 131706726 in words is "one hundred thirty-one million, seven hundred six thousand, seven hundred twenty-six".