134669898 has 64 divisors (see below), whose sum is σ = 328458240. Its totient is φ = 40561200.

The previous prime is 134669863. The next prime is 134669987. The reversal of 134669898 is 898966431.

134669898 is a `hidden beast` number, since 1 + 3 + 466 + 98 + 98 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 112861 + ... + 114047.

It is an arithmetic number, because the mean of its divisors is an integer number (5132160).

Almost surely, 2^134669898 is an apocalyptic number.

134669898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 134669898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164229120).

134669898 is an abundant number, since it is smaller than the sum of its proper divisors (193788342).

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

134669898 is a wasteful number, since it uses less digits than its factorization.

134669898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400 (or 1394 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 134669898 is about 11604.7360159549. The cubic root of 134669898 is about 512.5743194224.

The spelling of 134669898 in words is "one hundred thirty-four million, six hundred sixty-nine thousand, eight hundred ninety-eight".