1075343399 has 16 divisors (see below), whose sum is σ = 1220311680. Its totient is φ = 939379680.

The previous prime is 1075343389. The next prime is 1075343411. The reversal of 1075343399 is 9933435701.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1075343399 - 2⁴ = 1075343383 is a prime.

It is a super-3 number, since 3×1075343399³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075343389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321164 + ... + 324494.

It is an arithmetic number, because the mean of its divisors is an integer number (76269480).

Almost surely, 2^1075343399 is an apocalyptic number.

1075343399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1075343399 is a deficient number, since it is larger than the sum of its proper divisors (144968281).

1075343399 is a wasteful number, since it uses less digits than its factorization.

1075343399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4670.

The product of its (nonzero) digits is 306180, while the sum is 44.

The square root of 1075343399 is about 32792.4289890212. The cubic root of 1075343399 is about 1024.5088740556.

The spelling of 1075343399 in words is "one billion, seventy-five million, three hundred forty-three thousand, three hundred ninety-nine".