1214365137 has 4 divisors (see below), whose sum is σ = 1619153520. Its totient is φ = 809576756.

The previous prime is 1214365127. The next prime is 1214365171. The reversal of 1214365137 is 7315634121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1214365137 - 2¹¹ = 1214363089 is a prime.

It is a super-2 number, since 2×1214365137² = 2949365371922057538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1214365098 and 1214365107.

It is not an unprimeable number, because it can be changed into a prime (1214365127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202394187 + ... + 202394192.

It is an arithmetic number, because the mean of its divisors is an integer number (404788380).

Almost surely, 2^1214365137 is an apocalyptic number.

It is an amenable number.

1214365137 is a deficient number, since it is larger than the sum of its proper divisors (404788383).

1214365137 is an equidigital number, since it uses as much as digits as its factorization.

1214365137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404788382.

The product of its digits is 15120, while the sum is 33.

The square root of 1214365137 is about 34847.7422080685. The cubic root of 1214365137 is about 1066.8821038263.

Adding to 1214365137 its reverse (7315634121), we get a palindrome (8529999258).

The spelling of 1214365137 in words is "one billion, two hundred fourteen million, three hundred sixty-five thousand, one hundred thirty-seven".