1380735267 has 4 divisors (see below), whose sum is σ = 1840980360. Its totient is φ = 920490176.

The previous prime is 1380735227. The next prime is 1380735271. The reversal of 1380735267 is 7625370831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1380735267 - 2¹¹ = 1380733219 is a prime.

It is a super-2 number, since 2×1380735267² = 3812859755075122578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1380735227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230122542 + ... + 230122547.

It is an arithmetic number, because the mean of its divisors is an integer number (460245090).

Almost surely, 2^1380735267 is an apocalyptic number.

1380735267 is a deficient number, since it is larger than the sum of its proper divisors (460245093).

1380735267 is an equidigital number, since it uses as much as digits as its factorization.

1380735267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460245092.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 1380735267 is about 37158.2462853133. The cubic root of 1380735267 is about 1113.5339757448.

The spelling of 1380735267 in words is "one billion, three hundred eighty million, seven hundred thirty-five thousand, two hundred sixty-seven".