134981854 has 16 divisors (see below), whose sum is σ = 233690976. Its totient is φ = 57276000.

The previous prime is 134981851. The next prime is 134981867. The reversal of 134981854 is 458189431.

It is a self number, because there is not a number n which added to its sum of digits gives 134981854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134981851) 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 7 ways as a sum of consecutive naturals, for example, 46317 + ... + 49144.

It is an arithmetic number, because the mean of its divisors is an integer number (14605686).

Almost surely, 2^134981854 is an apocalyptic number.

134981854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

134981854 is a deficient number, since it is larger than the sum of its proper divisors (98709122).

134981854 is a wasteful number, since it uses less digits than its factorization.

134981854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95571.

The product of its digits is 138240, while the sum is 43.

The square root of 134981854 is about 11618.1691328712. The cubic root of 134981854 is about 512.9697983631.

The spelling of 134981854 in words is "one hundred thirty-four million, nine hundred eighty-one thousand, eight hundred fifty-four".