1040136433 has 4 divisors (see below), whose sum is σ = 1188727360. Its totient is φ = 891545508.

The previous prime is 1040136413. The next prime is 1040136467. The reversal of 1040136433 is 3346310401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1040136433 - 2⁵ = 1040136401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040136398 and 1040136407.

It is not an unprimeable number, because it can be changed into a prime (1040136413) 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, 74295453 + ... + 74295466.

It is an arithmetic number, because the mean of its divisors is an integer number (297181840).

Almost surely, 2^1040136433 is an apocalyptic number.

It is an amenable number.

1040136433 is a deficient number, since it is larger than the sum of its proper divisors (148590927).

1040136433 is an equidigital number, since it uses as much as digits as its factorization.

1040136433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148590926.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1040136433 is about 32251.1462276924. The cubic root of 1040136433 is about 1013.2037058499.

Adding to 1040136433 its reverse (3346310401), we get a palindrome (4386446834).

The spelling of 1040136433 in words is "one billion, forty million, one hundred thirty-six thousand, four hundred thirty-three".