134047145 has 4 divisors (see below), whose sum is σ = 160856580. Its totient is φ = 107237712.

The previous prime is 134047129. The next prime is 134047153. The reversal of 134047145 is 541740431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541740431 = 491 ⋅1103341.

It can be written as a sum of positive squares in 2 ways, for example, as 105349696 + 28697449 = 10264^2 + 5357^2 .

It is a cyclic number.

It is not a de Polignac number, because 134047145 - 2⁴ = 134047129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13404710 + ... + 13404719.

It is an arithmetic number, because the mean of its divisors is an integer number (40214145).

Almost surely, 2^134047145 is an apocalyptic number.

It is an amenable number.

134047145 is a deficient number, since it is larger than the sum of its proper divisors (26809435).

134047145 is an equidigital number, since it uses as much as digits as its factorization.

134047145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26809434.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 134047145 is about 11577.8730775562. The cubic root of 134047145 is about 511.7830005415.

Adding to 134047145 its reverse (541740431), we get a palindrome (675787576).

The spelling of 134047145 in words is "one hundred thirty-four million, forty-seven thousand, one hundred forty-five".