128742314 has 12 divisors (see below), whose sum is σ = 198483234. Its totient is φ = 62583912.

The previous prime is 128742193. The next prime is 128742319. The reversal of 128742314 is 413247821.

It can be written as a sum of positive squares in only one way, i.e., 85248289 + 43494025 = 9233^2 + 6595^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (128742319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96947 + ... + 98265.

Almost surely, 2^128742314 is an apocalyptic number.

128742314 is a deficient number, since it is larger than the sum of its proper divisors (69740920).

128742314 is an frugal number, since it uses more digits than its factorization.

128742314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677 (or 1358 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 128742314 is about 11346.4670272292. The cubic root of 128742314 is about 504.9407687940.

The spelling of 128742314 in words is "one hundred twenty-eight million, seven hundred forty-two thousand, three hundred fourteen".