133240550 has 12 divisors (see below), whose sum is σ = 247827516. Its totient is φ = 53296200.

The previous prime is 133240537. The next prime is 133240567. The reversal of 133240550 is 55042331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1332356 + ... + 1332455.

It is an arithmetic number, because the mean of its divisors is an integer number (20652293).

Almost surely, 2^133240550 is an apocalyptic number.

133240550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133240550 is a deficient number, since it is larger than the sum of its proper divisors (114586966).

133240550 is a wasteful number, since it uses less digits than its factorization.

133240550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664823 (or 2664818 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 133240550 is about 11542.9870484204. The cubic root of 133240550 is about 510.7544261919.

Adding to 133240550 its reverse (55042331), we get a palindrome (188282881).

The spelling of 133240550 in words is "one hundred thirty-three million, two hundred forty thousand, five hundred fifty".