133722134 has 16 divisors (see below), whose sum is σ = 246871968. Its totient is φ = 52900992.

The previous prime is 133722109. The next prime is 133722137. The reversal of 133722134 is 431227331.

It is a super-4 number, since 4×133722134⁴ (a number of 34 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133722137) 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, 367187 + ... + 367550.

It is an arithmetic number, because the mean of its divisors is an integer number (15429498).

Almost surely, 2^133722134 is an apocalyptic number.

133722134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

133722134 is a deficient number, since it is larger than the sum of its proper divisors (113149834).

133722134 is a wasteful number, since it uses less digits than its factorization.

133722134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734759.

The product of its digits is 3024, while the sum is 26.

The square root of 133722134 is about 11563.8286912251. The cubic root of 133722134 is about 511.3690424068.

Adding to 133722134 its reverse (431227331), we get a palindrome (564949465).

The spelling of 133722134 in words is "one hundred thirty-three million, seven hundred twenty-two thousand, one hundred thirty-four".