134721938 has 16 divisors (see below), whose sum is σ = 220612056. Its totient is φ = 61326720.

The previous prime is 134721931. The next prime is 134721943. The reversal of 134721938 is 839127431.

It can be written as a sum of positive squares in 4 ways, for example, as 128436889 + 6285049 = 11333^2 + 2507^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134721931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33593 + ... + 37388.

Almost surely, 2^134721938 is an apocalyptic number.

134721938 is a deficient number, since it is larger than the sum of its proper divisors (85890118).

134721938 is a wasteful number, since it uses less digits than its factorization.

134721938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71069.

The product of its digits is 36288, while the sum is 38.

The square root of 134721938 is about 11606.9779874005. The cubic root of 134721938 is about 512.6403349979.

The spelling of 134721938 in words is "one hundred thirty-four million, seven hundred twenty-one thousand, nine hundred thirty-eight".