1040134428 has 36 divisors (see below), whose sum is σ = 2743545168. Its totient is φ = 331636800.

The previous prime is 1040134411. The next prime is 1040134429. The reversal of 1040134428 is 8244310401.

1040134428 is a `hidden beast` number, since 104 + 0 + 134 + 428 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040134429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 627273 + ... + 628928.

It is an arithmetic number, because the mean of its divisors is an integer number (76209588).

Almost surely, 2^1040134428 is an apocalyptic number.

1040134428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1040134428 is an abundant number, since it is smaller than the sum of its proper divisors (1703410740).

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

1040134428 is a wasteful number, since it uses less digits than its factorization.

1040134428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256234 (or 1256229 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1040134428 is about 32251.1151435109. The cubic root of 1040134428 is about 1013.2030548216.

Adding to 1040134428 its reverse (8244310401), we get a palindrome (9284444829).

The spelling of 1040134428 in words is "one billion, forty million, one hundred thirty-four thousand, four hundred twenty-eight".