134591672 has 8 divisors (see below), whose sum is σ = 252359400. Its totient is φ = 67295832.

The previous prime is 134591663. The next prime is 134591689. The reversal of 134591672 is 276195431.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×134591672² = 36229836343511168, which contains 22 as substring.

It is a congruent 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 as a sum of consecutive naturals, namely, 8411972 + ... + 8411987.

It is an arithmetic number, because the mean of its divisors is an integer number (31544925).

Almost surely, 2^134591672 is an apocalyptic number.

It is an amenable number.

134591672 is a deficient number, since it is larger than the sum of its proper divisors (117767728).

134591672 is a wasteful number, since it uses less digits than its factorization.

134591672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16823965 (or 16823961 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 134591672 is about 11601.3650920915. The cubic root of 134591672 is about 512.4750534754.

The spelling of 134591672 in words is "one hundred thirty-four million, five hundred ninety-one thousand, six hundred seventy-two".