134866390 has 8 divisors (see below), whose sum is σ = 242759520. Its totient is φ = 53946552.

The previous prime is 134866387. The next prime is 134866393. The reversal of 134866390 is 93668431.

134866390 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (134866387) and next prime (134866393).

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 (134866393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6743310 + ... + 6743329.

It is an arithmetic number, because the mean of its divisors is an integer number (30344940).

Almost surely, 2^134866390 is an apocalyptic number.

134866390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134866390 is a deficient number, since it is larger than the sum of its proper divisors (107893130).

134866390 is a wasteful number, since it uses less digits than its factorization.

134866390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13486646.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 134866390 is about 11613.1989563600. The cubic root of 134866390 is about 512.8234911880.

The spelling of 134866390 in words is "one hundred thirty-four million, eight hundred sixty-six thousand, three hundred ninety".