134521366 has 12 divisors (see below), whose sum is σ = 234726228. Its totient is φ = 57651972.

The previous prime is 134521351. The next prime is 134521397. The reversal of 134521366 is 663125431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 686236 + ... + 686431.

It is an arithmetic number, because the mean of its divisors is an integer number (19560519).

Almost surely, 2^134521366 is an apocalyptic number.

134521366 is a deficient number, since it is larger than the sum of its proper divisors (100204862).

134521366 is a wasteful number, since it uses less digits than its factorization.

134521366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372683 (or 1372676 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 134521366 is about 11598.3346218326. The cubic root of 134521366 is about 512.3858048961.

Adding to 134521366 its reverse (663125431), we get a palindrome (797646797).

The spelling of 134521366 in words is "one hundred thirty-four million, five hundred twenty-one thousand, three hundred sixty-six".