133690743 has 20 divisors (see below), whose sum is σ = 208396848. Its totient is φ = 85250880.

The previous prime is 133690729. The next prime is 133690747. The reversal of 133690743 is 347096331.

It is not a de Polignac number, because 133690743 - 2¹⁶ = 133625207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133690698 and 133690707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133690747) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34018 + ... + 37743.

Almost surely, 2^133690743 is an apocalyptic number.

133690743 is a deficient number, since it is larger than the sum of its proper divisors (74706105).

133690743 is an equidigital number, since it uses as much as digits as its factorization.

133690743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71796 (or 71787 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 133690743 is about 11562.4713188833. The cubic root of 133690743 is about 511.3290249932.

The spelling of 133690743 in words is "one hundred thirty-three million, six hundred ninety thousand, seven hundred forty-three".