134249388 has 48 divisors (see below), whose sum is σ = 385539840. Its totient is φ = 35406144.

The previous prime is 134249387. The next prime is 134249399. The reversal of 134249388 is 883942431.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (134249387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60378 + ... + 62561.

It is an arithmetic number, because the mean of its divisors is an integer number (8032080).

Almost surely, 2^134249388 is an apocalyptic number.

It is an amenable number.

134249388 is an abundant number, since it is smaller than the sum of its proper divisors (251290452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134249388 is a wasteful number, since it uses less digits than its factorization.

134249388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122966 (or 122964 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 134249388 is about 11586.6038164770. The cubic root of 134249388 is about 512.0402546068.

The spelling of 134249388 in words is "one hundred thirty-four million, two hundred forty-nine thousand, three hundred eighty-eight".