133867080 has 160 divisors (see below), whose sum is σ = 456508800. Its totient is φ = 35178624.

The previous prime is 133867039. The next prime is 133867093. The reversal of 133867080 is 80768331.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 255699 + ... + 256221.

It is an arithmetic number, because the mean of its divisors is an integer number (2853180).

Almost surely, 2^133867080 is an apocalyptic number.

133867080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133867080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228254400).

133867080 is an abundant number, since it is smaller than the sum of its proper divisors (322641720).

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

133867080 is a wasteful number, since it uses less digits than its factorization.

133867080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 133867080 is about 11570.0942087781. The cubic root of 133867080 is about 511.5537391617.

The spelling of 133867080 in words is "one hundred thirty-three million, eight hundred sixty-seven thousand, eighty".