133100340 has 24 divisors (see below), whose sum is σ = 372681120. Its totient is φ = 35493408.

The previous prime is 133100299. The next prime is 133100347. The reversal of 133100340 is 43001331.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133100347) 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, 1109110 + ... + 1109229.

It is an arithmetic number, because the mean of its divisors is an integer number (15528380).

Almost surely, 2^133100340 is an apocalyptic number.

133100340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133100340 is an abundant number, since it is smaller than the sum of its proper divisors (239580780).

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

133100340 is a wasteful number, since it uses less digits than its factorization.

133100340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218351 (or 2218349 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 133100340 is about 11536.9120651932. The cubic root of 133100340 is about 510.5752064464.

Adding to 133100340 its reverse (43001331), we get a palindrome (176101671).

Subtracting from 133100340 its reverse (43001331), we obtain a palindrome (90099009).

The spelling of 133100340 in words is "one hundred thirty-three million, one hundred thousand, three hundred forty".