134206045 has 4 divisors (see below), whose sum is σ = 161047260. Its totient is φ = 107364832.

The previous prime is 134206031. The next prime is 134206049. The reversal of 134206045 is 540602431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36650916 + 97555129 = 6054^2 + 9877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134206045 is a prime.

It is a super-2 number, since 2×134206045² = 36022525029084050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134206049) 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, 13420600 + ... + 13420609.

It is an arithmetic number, because the mean of its divisors is an integer number (40261815).

Almost surely, 2^134206045 is an apocalyptic number.

It is an amenable number.

134206045 is a deficient number, since it is larger than the sum of its proper divisors (26841215).

134206045 is an equidigital number, since it uses as much as digits as its factorization.

134206045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26841214.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 134206045 is about 11584.7332727172. The cubic root of 134206045 is about 511.9851438662.

Adding to 134206045 its reverse (540602431), we get a palindrome (674808476).

The spelling of 134206045 in words is "one hundred thirty-four million, two hundred six thousand, forty-five".