1131500378 has 8 divisors (see below), whose sum is σ = 1697640672. Its totient is φ = 565620156.

The previous prime is 1131500353. The next prime is 1131500393. The reversal of 1131500378 is 8730051311.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1131500378.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53750 + ... + 71777.

It is an arithmetic number, because the mean of its divisors is an integer number (212205084).

Almost surely, 2^1131500378 is an apocalyptic number.

1131500378 is a deficient number, since it is larger than the sum of its proper divisors (566140294).

1131500378 is a wasteful number, since it uses less digits than its factorization.

1131500378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130036.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1131500378 is about 33637.7820017908. The cubic root of 1131500378 is about 1042.0412258671.

Adding to 1131500378 its reverse (8730051311), we get a palindrome (9861551689).

The spelling of 1131500378 in words is "one billion, one hundred thirty-one million, five hundred thousand, three hundred seventy-eight".