1378112235 has 32 divisors (see below), whose sum is σ = 2221765632. Its totient is φ = 729423360.

The previous prime is 1378112231. The next prime is 1378112243. The reversal of 1378112235 is 5322118731.

It is a happy number.

It is not a de Polignac number, because 1378112235 - 2² = 1378112231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1378112196 and 1378112205.

It is not an unprimeable number, because it can be changed into a prime (1378112231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1410067 + ... + 1411043.

It is an arithmetic number, because the mean of its divisors is an integer number (69430176).

Almost surely, 2^1378112235 is an apocalyptic number.

1378112235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1378112235 is a deficient number, since it is larger than the sum of its proper divisors (843653397).

1378112235 is a wasteful number, since it uses less digits than its factorization.

1378112235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603.

The product of its digits is 10080, while the sum is 33.

The square root of 1378112235 is about 37122.9340839325. The cubic root of 1378112235 is about 1112.8283886853.

The spelling of 1378112235 in words is "one billion, three hundred seventy-eight million, one hundred twelve thousand, two hundred thirty-five".