1075149894 has 64 divisors (see below), whose sum is σ = 2652862464. Its totient is φ = 282877056.

The previous prime is 1075149883. The next prime is 1075149931. The reversal of 1075149894 is 4989415701.

It is a super-2 number, since 2×1075149894² = 2311894589136422472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250672 + ... + 254924.

It is an arithmetic number, because the mean of its divisors is an integer number (41450976).

Almost surely, 2^1075149894 is an apocalyptic number.

1075149894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1075149894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326431232).

1075149894 is an abundant number, since it is smaller than the sum of its proper divisors (1577712570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1075149894 is a wasteful number, since it uses less digits than its factorization.

1075149894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 1075149894 is about 32789.4784039027. The cubic root of 1075149894 is about 1024.4474178788.

The spelling of 1075149894 in words is "one billion, seventy-five million, one hundred forty-nine thousand, eight hundred ninety-four".