134691468 has 12 divisors (see below), whose sum is σ = 314280120. Its totient is φ = 44897152.

The previous prime is 134691467. The next prime is 134691499. The reversal of 134691468 is 864196431.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×134691468³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (134691463) 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 3 ways as a sum of consecutive naturals, for example, 5612133 + ... + 5612156.

It is an arithmetic number, because the mean of its divisors is an integer number (26190010).

Almost surely, 2^134691468 is an apocalyptic number.

It is an amenable number.

134691468 is an abundant number, since it is smaller than the sum of its proper divisors (179588652).

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

134691468 is a wasteful number, since it uses less digits than its factorization.

134691468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11224296 (or 11224294 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 134691468 is about 11605.6653406860. The cubic root of 134691468 is about 512.6016842060.

The spelling of 134691468 in words is "one hundred thirty-four million, six hundred ninety-one thousand, four hundred sixty-eight".