1336214381 has 2 divisors, whose sum is σ = 1336214382. Its totient is φ = 1336214380.

The previous prime is 1336214357. The next prime is 1336214393. The reversal of 1336214381 is 1834126331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1321322500 + 14891881 = 36350^2 + 3859^2 .

It is a cyclic number.

It is not a de Polignac number, because 1336214381 - 2¹⁸ = 1335952237 is a prime.

It is a super-2 number, since 2×1336214381² = 3570937743982426322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1336214081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668107190 + 668107191.

It is an arithmetic number, because the mean of its divisors is an integer number (668107191).

Almost surely, 2^1336214381 is an apocalyptic number.

It is an amenable number.

1336214381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1336214381 is an equidigital number, since it uses as much as digits as its factorization.

1336214381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 1336214381 is about 36554.2662489620. The cubic root of 1336214381 is about 1101.4345968108.

The spelling of 1336214381 in words is "one billion, three hundred thirty-six million, two hundred fourteen thousand, three hundred eighty-one".