131029386 has 8 divisors (see below), whose sum is σ = 262058784. Its totient is φ = 43676460.

The previous prime is 131029357. The next prime is 131029397. The reversal of 131029386 is 683920131.

131029386 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

131029386 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 10919110 + ... + 10919121.

It is an arithmetic number, because the mean of its divisors is an integer number (32757348).

Almost surely, 2^131029386 is an apocalyptic number.

131029386 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.

131029386 is a wasteful number, since it uses less digits than its factorization.

131029386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21838236.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 131029386 is about 11446.8068036462. The cubic root of 131029386 is about 507.9132806071.

The spelling of 131029386 in words is "one hundred thirty-one million, twenty-nine thousand, three hundred eighty-six".