134021918 has 8 divisors (see below), whose sum is σ = 206466312. Its totient is φ = 65199816.

The previous prime is 134021917. The next prime is 134021947. The reversal of 134021918 is 819120431.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134021911) 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, 905480 + ... + 905627.

It is an arithmetic number, because the mean of its divisors is an integer number (25808289).

Almost surely, 2^134021918 is an apocalyptic number.

134021918 is a deficient number, since it is larger than the sum of its proper divisors (72444394).

134021918 is a wasteful number, since it uses less digits than its factorization.

134021918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811146.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 134021918 is about 11576.7835774882. The cubic root of 134021918 is about 511.7508935298.

The spelling of 134021918 in words is "one hundred thirty-four million, twenty-one thousand, nine hundred eighteen".