133142624 has 24 divisors (see below), whose sum is σ = 265287960. Its totient is φ = 65767936.

The previous prime is 133142617. The next prime is 133142627. The reversal of 133142624 is 426241331.

It is a junction number, because it is equal to n+sod(n) for n = 133142593 and 133142602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133142627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22409 + ... + 27720.

It is an arithmetic number, because the mean of its divisors is an integer number (11053665).

Almost surely, 2^133142624 is an apocalyptic number.

It is an amenable number.

133142624 is a deficient number, since it is larger than the sum of its proper divisors (132145336).

133142624 is an equidigital number, since it uses as much as digits as its factorization.

133142624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50222 (or 50214 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 133142624 is about 11538.7444724285. The cubic root of 133142624 is about 510.6292681071.

Adding to 133142624 its reverse (426241331), we get a palindrome (559383955).

The spelling of 133142624 in words is "one hundred thirty-three million, one hundred forty-two thousand, six hundred twenty-four".