1026163939 has 8 divisors (see below), whose sum is σ = 1036985040. Its totient is φ = 1015356000.

The previous prime is 1026163933. The next prime is 1026163967. The reversal of 1026163939 is 9393616201.

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 1026163939 - 2²¹ = 1024066787 is a prime.

It is a super-4 number, since 4×1026163939⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1026163933) 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, 266649 + ... + 270469.

It is an arithmetic number, because the mean of its divisors is an integer number (129623130).

Almost surely, 2^1026163939 is an apocalyptic number.

1026163939 is a deficient number, since it is larger than the sum of its proper divisors (10821101).

1026163939 is a wasteful number, since it uses less digits than its factorization.

1026163939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 1026163939 is about 32033.7937029007. The cubic root of 1026163939 is about 1008.6463383685.

The spelling of 1026163939 in words is "one billion, twenty-six million, one hundred sixty-three thousand, nine hundred thirty-nine".