1214331137 has 8 divisors (see below), whose sum is σ = 1245541440. Its totient is φ = 1183255920.

The previous prime is 1214331133. The next prime is 1214331143. The reversal of 1214331137 is 7311334121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1214331137 - 2² = 1214331133 is a prime.

It is a super-2 number, since 2×1214331137² = 2949200220575425538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1214331133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15437 + ... + 51642.

It is an arithmetic number, because the mean of its divisors is an integer number (155692680).

Almost surely, 2^1214331137 is an apocalyptic number.

It is an amenable number.

1214331137 is a deficient number, since it is larger than the sum of its proper divisors (31210303).

1214331137 is an equidigital number, since it uses as much as digits as its factorization.

1214331137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67543.

The product of its digits is 1512, while the sum is 26.

The square root of 1214331137 is about 34847.2543681708. The cubic root of 1214331137 is about 1066.8721468183.

Adding to 1214331137 its reverse (7311334121), we get a palindrome (8525665258).

The spelling of 1214331137 in words is "one billion, two hundred fourteen million, three hundred thirty-one thousand, one hundred thirty-seven".