134143872 has 64 divisors (see below), whose sum is σ = 377298000. Its totient is φ = 42082304.

The previous prime is 134143871. The next prime is 134143903. The reversal of 134143872 is 278341431.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134143871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3747 + ... + 16802.

Almost surely, 2^134143872 is an apocalyptic number.

134143872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

134143872 is an abundant number, since it is smaller than the sum of its proper divisors (243154128).

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

134143872 is a wasteful number, since it uses less digits than its factorization.

134143872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20583 (or 20571 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 134143872 is about 11582.0495595555. The cubic root of 134143872 is about 511.9060700085.

The spelling of 134143872 in words is "one hundred thirty-four million, one hundred forty-three thousand, eight hundred seventy-two".