134277921 has 36 divisors (see below), whose sum is σ = 210423252. Its totient is φ = 82441152.

The previous prime is 134277901. The next prime is 134277931. The reversal of 134277921 is 129772431.

It can be written as a sum of positive squares in 2 ways, for example, as 59213025 + 75064896 = 7695^2 + 8664^2 .

It is not a de Polignac number, because 134277921 - 2¹¹ = 134275873 is a prime.

Its product of digits (21168) is a multiple of the sum of its prime divisors (1176).

It is not an unprimeable number, because it can be changed into a prime (134277901) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 119655 + ... + 120771.

Almost surely, 2^134277921 is an apocalyptic number.

It is an amenable number.

134277921 is a deficient number, since it is larger than the sum of its proper divisors (76145331).

134277921 is a wasteful number, since it uses less digits than its factorization.

134277921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198 (or 1176 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 134277921 is about 11587.8350436999. The cubic root of 134277921 is about 512.0765279184.

The spelling of 134277921 in words is "one hundred thirty-four million, two hundred seventy-seven thousand, nine hundred twenty-one".