131429726 has 8 divisors (see below), whose sum is σ = 207520680. Its totient is φ = 62256168.

The previous prime is 131429713. The next prime is 131429729. The reversal of 131429726 is 627924131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131429729) 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, 1729301 + ... + 1729376.

It is an arithmetic number, because the mean of its divisors is an integer number (25940085).

Almost surely, 2^131429726 is an apocalyptic number.

131429726 is a deficient number, since it is larger than the sum of its proper divisors (76090954).

131429726 is a wasteful number, since it uses less digits than its factorization.

131429726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458698.

The product of its digits is 18144, while the sum is 35.

The square root of 131429726 is about 11464.2804396962. The cubic root of 131429726 is about 508.4300381338.

The spelling of 131429726 in words is "one hundred thirty-one million, four hundred twenty-nine thousand, seven hundred twenty-six".