1214707738 has 32 divisors (see below), whose sum is σ = 1893462480. Its totient is φ = 584048640.

The previous prime is 1214707727. The next prime is 1214707759. The reversal of 1214707738 is 8377074121.

It can be written as a sum of positive squares in 8 ways, for example, as 8048569 + 1206659169 = 2837^2 + 34737^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1214707738.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3122448 + ... + 3122836.

Almost surely, 2^1214707738 is an apocalyptic number.

1214707738 is a deficient number, since it is larger than the sum of its proper divisors (678754742).

1214707738 is a wasteful number, since it uses less digits than its factorization.

1214707738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882.

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 1214707738 is about 34852.6575457310. The cubic root of 1214707738 is about 1066.9824252471.

The spelling of 1214707738 in words is "one billion, two hundred fourteen million, seven hundred seven thousand, seven hundred thirty-eight".