134913870 has 384 divisors, whose sum is σ = 495129600. Its totient is φ = 25380864.

The previous prime is 134913859. The next prime is 134913871. The reversal of 134913870 is 78319431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134913871) 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 191 ways as a sum of consecutive naturals, for example, 7100721 + ... + 7100739.

It is an arithmetic number, because the mean of its divisors is an integer number (1289400).

Almost surely, 2^134913870 is an apocalyptic number.

134913870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 134913870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247564800).

134913870 is an abundant number, since it is smaller than the sum of its proper divisors (360215730).

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

134913870 is a wasteful number, since it uses less digits than its factorization.

134913870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 134913870 is about 11615.2430021933. The cubic root of 134913870 is about 512.8836643282.

The spelling of 134913870 in words is "one hundred thirty-four million, nine hundred thirteen thousand, eight hundred seventy".