133742634 has 16 divisors (see below), whose sum is σ = 281563680. Its totient is φ = 42234480.

The previous prime is 133742633. The next prime is 133742639. The reversal of 133742634 is 436247331.

It is a junction number, because it is equal to n+sod(n) for n = 133742595 and 133742604.

It is not an unprimeable number, because it can be changed into a prime (133742633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586477 + ... + 586704.

It is an arithmetic number, because the mean of its divisors is an integer number (17597730).

Almost surely, 2^133742634 is an apocalyptic number.

133742634 is an abundant number, since it is smaller than the sum of its proper divisors (147821046).

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

133742634 is a wasteful number, since it uses less digits than its factorization.

133742634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173205.

The product of its digits is 36288, while the sum is 33.

The square root of 133742634 is about 11564.7150418849. The cubic root of 133742634 is about 511.3951725356.

Adding to 133742634 its reverse (436247331), we get a palindrome (569989965).

The spelling of 133742634 in words is "one hundred thirty-three million, seven hundred forty-two thousand, six hundred thirty-four".