134689733 has 4 divisors (see below), whose sum is σ = 137555520. Its totient is φ = 131823948.

The previous prime is 134689729. The next prime is 134689741. The reversal of 134689733 is 337986431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 337986431 = 307 ⋅1100933.

It is a cyclic number.

It is not a de Polignac number, because 134689733 - 2² = 134689729 is a prime.

It is a super-2 number, since 2×134689733² = 36282648351222578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134689703) 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, 1432823 + ... + 1432916.

It is an arithmetic number, because the mean of its divisors is an integer number (34388880).

Almost surely, 2^134689733 is an apocalyptic number.

It is an amenable number.

134689733 is a deficient number, since it is larger than the sum of its proper divisors (2865787).

134689733 is an equidigital number, since it uses as much as digits as its factorization.

134689733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865786.

The product of its digits is 326592, while the sum is 44.

The square root of 134689733 is about 11605.5905924688. The cubic root of 134689733 is about 512.5994832061.

The spelling of 134689733 in words is "one hundred thirty-four million, six hundred eighty-nine thousand, seven hundred thirty-three".