134221516 has 24 divisors (see below), whose sum is σ = 275953104. Its totient is φ = 56316480.

The previous prime is 134221501. The next prime is 134221603. The reversal of 134221516 is 615122431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116755 + ... + 117898.

It is an arithmetic number, because the mean of its divisors is an integer number (11498046).

Almost surely, 2^134221516 is an apocalyptic number.

It is an amenable number.

134221516 is an abundant number, since it is smaller than the sum of its proper divisors (141731588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134221516 is a wasteful number, since it uses less digits than its factorization.

134221516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234681 (or 234679 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 134221516 is about 11585.4009857234. The cubic root of 134221516 is about 512.0048166458.

Adding to 134221516 its reverse (615122431), we get a palindrome (749343947).

The spelling of 134221516 in words is "one hundred thirty-four million, two hundred twenty-one thousand, five hundred sixteen".