133207634 has 16 divisors (see below), whose sum is σ = 230575488. Its totient is φ = 56534112.

The previous prime is 133207621. The next prime is 133207637. The reversal of 133207634 is 436702331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 133207597 and 133207606.

It is not an unprimeable number, because it can be changed into a prime (133207637) 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, 44747 + ... + 47630.

It is an arithmetic number, because the mean of its divisors is an integer number (14410968).

Almost surely, 2^133207634 is an apocalyptic number.

133207634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

133207634 is a deficient number, since it is larger than the sum of its proper divisors (97367854).

133207634 is a wasteful number, since it uses less digits than its factorization.

133207634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92489.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 133207634 is about 11541.5611595659. The cubic root of 133207634 is about 510.7123634782.

Adding to 133207634 its reverse (436702331), we get a palindrome (569909965).

The spelling of 133207634 in words is "one hundred thirty-three million, two hundred seven thousand, six hundred thirty-four".