133001040 has 40 divisors (see below), whose sum is σ = 412303968. Its totient is φ = 35466880.

The previous prime is 133001039. The next prime is 133001041. The reversal of 133001040 is 40100331.

It is an interprime number because it is at equal distance from previous prime (133001039) and next prime (133001041).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133001041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276846 + ... + 277325.

Almost surely, 2^133001040 is an apocalyptic number.

133001040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133001040 is an abundant number, since it is smaller than the sum of its proper divisors (279302928).

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

133001040 is a wasteful number, since it uses less digits than its factorization.

133001040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554187 (or 554181 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 133001040 is about 11532.6076843011. The cubic root of 133001040 is about 510.4482026848.

Adding to 133001040 its reverse (40100331), we get a palindrome (173101371).

The spelling of 133001040 in words is "one hundred thirty-three million, one thousand, forty".