134978594 has 4 divisors (see below), whose sum is σ = 202467894. Its totient is φ = 67489296.

The previous prime is 134978593. The next prime is 134978621. The reversal of 134978594 is 495879431.

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

It can be written as a sum of positive squares in only one way, i.e., 116359369 + 18619225 = 10787^2 + 4315^2 .

It is not an unprimeable number, because it can be changed into a prime (134978593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33744647 + ... + 33744650.

Almost surely, 2^134978594 is an apocalyptic number.

134978594 is a deficient number, since it is larger than the sum of its proper divisors (67489300).

134978594 is an equidigital number, since it uses as much as digits as its factorization.

134978594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67489299.

The product of its digits is 1088640, while the sum is 50.

The square root of 134978594 is about 11618.0288345313. The cubic root of 134978594 is about 512.9656686845.

The spelling of 134978594 in words is "one hundred thirty-four million, nine hundred seventy-eight thousand, five hundred ninety-four".