133334040 has 64 divisors (see below), whose sum is σ = 457148160. Its totient is φ = 30476160.

The previous prime is 133334023. The next prime is 133334053. The reversal of 133334040 is 40433331.

It is a super-4 number, since 4×133334040⁴ (a number of 34 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 133333998 and 133334016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78526 + ... + 80205.

It is an arithmetic number, because the mean of its divisors is an integer number (7142940).

Almost surely, 2^133334040 is an apocalyptic number.

133334040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133334040 is an abundant number, since it is smaller than the sum of its proper divisors (323814120).

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

133334040 is a wasteful number, since it uses less digits than its factorization.

133334040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158752 (or 158748 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 133334040 is about 11547.0359833162. The cubic root of 133334040 is about 510.8738574697.

Adding to 133334040 its reverse (40433331), we get a palindrome (173767371).

The spelling of 133334040 in words is "one hundred thirty-three million, three hundred thirty-four thousand, forty".