1333834389 has 6 divisors (see below), whose sum is σ = 1926649686. Its totient is φ = 889222920.

The previous prime is 1333834361. The next prime is 1333834421. The reversal of 1333834389 is 9834383331.

1333834389 is a `hidden beast` number, since 133 + 3 + 83 + 438 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1047040164 + 286794225 = 32358^2 + 16935^2 .

It is not a de Polignac number, because 1333834389 - 2⁷ = 1333834261 is a prime.

It is a super-2 number, since 2×1333834389² = 3558228354558006642, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333834309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74101902 + ... + 74101919.

It is an arithmetic number, because the mean of its divisors is an integer number (321108281).

Almost surely, 2^1333834389 is an apocalyptic number.

It is an amenable number.

1333834389 is a deficient number, since it is larger than the sum of its proper divisors (592815297).

1333834389 is a wasteful number, since it uses less digits than its factorization.

1333834389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148203827 (or 148203824 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 1333834389 is about 36521.6975098365. The cubic root of 1333834389 is about 1100.7802698115.

The spelling of 1333834389 in words is "one billion, three hundred thirty-three million, eight hundred thirty-four thousand, three hundred eighty-nine".