1214940736 has 21 divisors (see below), whose sum is σ = 2411451489. Its totient is φ = 607330944.

The previous prime is 1214940733. The next prime is 1214940737. The reversal of 1214940736 is 6370494121.

The square root of 1214940736 is 34856.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1213825600 + 1115136 = 34840^2 + 1056^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214940695 and 1214940704.

It is not an unprimeable number, because it can be changed into a prime (1214940733) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 276670 + ... + 281026.

Almost surely, 2^1214940736 is an apocalyptic number.

1214940736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1214940736 is the 34856-th square number.

It is an amenable number.

1214940736 is a deficient number, since it is larger than the sum of its proper divisors (1196510753).

1214940736 is an frugal number, since it uses more digits than its factorization.

1214940736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8726 (or 4359 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The cubic root of 1214940736 is about 1067.0506416226.

The spelling of 1214940736 in words is "one billion, two hundred fourteen million, nine hundred forty thousand, seven hundred thirty-six".