1040129534 has 8 divisors (see below), whose sum is σ = 1567191360. Its totient is φ = 517732416.

The previous prime is 1040129527. The next prime is 1040129539. The reversal of 1040129534 is 4359210401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1040129497 and 1040129506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040129539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165619 + ... + 1166510.

It is an arithmetic number, because the mean of its divisors is an integer number (195898920).

Almost surely, 2^1040129534 is an apocalyptic number.

1040129534 is a deficient number, since it is larger than the sum of its proper divisors (527061826).

1040129534 is a wasteful number, since it uses less digits than its factorization.

1040129534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332354.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1040129534 is about 32251.0392700762. The cubic root of 1040129534 is about 1013.2014657246.

Adding to 1040129534 its reverse (4359210401), we get a palindrome (5399339935).

The spelling of 1040129534 in words is "one billion, forty million, one hundred twenty-nine thousand, five hundred thirty-four".