1383940270 has 16 divisors (see below), whose sum is σ = 2495420208. Its totient is φ = 552614400.

The previous prime is 1383940241. The next prime is 1383940273. The reversal of 1383940270 is 720493831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383940273) 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, 114156 + ... + 125695.

It is an arithmetic number, because the mean of its divisors is an integer number (155963763).

Almost surely, 2^1383940270 is an apocalyptic number.

1383940270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1383940270 is a deficient number, since it is larger than the sum of its proper divisors (1111479938).

1383940270 is a wasteful number, since it uses less digits than its factorization.

1383940270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240435.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1383940270 is about 37201.3476906415. The cubic root of 1383940270 is about 1114.3948991426.

The spelling of 1383940270 in words is "one billion, three hundred eighty-three million, nine hundred forty thousand, two hundred seventy".