1135438371 has 8 divisors (see below), whose sum is σ = 1682130960. Its totient is φ = 756958896.

The previous prime is 1135438331. The next prime is 1135438387. The reversal of 1135438371 is 1738345311.

It is not a de Polignac number, because 1135438371 - 2⁷ = 1135438243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1135438301) 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, 21026610 + ... + 21026663.

It is an arithmetic number, because the mean of its divisors is an integer number (210266370).

Almost surely, 2^1135438371 is an apocalyptic number.

1135438371 is a deficient number, since it is larger than the sum of its proper divisors (546692589).

1135438371 is an equidigital number, since it uses as much as digits as its factorization.

1135438371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42053282 (or 42053276 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 1135438371 is about 33696.2664252288. The cubic root of 1135438371 is about 1043.2487080585.

The spelling of 1135438371 in words is "one billion, one hundred thirty-five million, four hundred thirty-eight thousand, three hundred seventy-one".