1383131750 has 128 divisors (see below), whose sum is σ = 3477067776. Its totient is φ = 397872000.

The previous prime is 1383131731. The next prime is 1383131753. The reversal of 1383131750 is 571313831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383131753) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 247487 + ... + 253013.

It is an arithmetic number, because the mean of its divisors is an integer number (27164592).

Almost surely, 2^1383131750 is an apocalyptic number.

1383131750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1383131750 is an abundant number, since it is smaller than the sum of its proper divisors (2093936026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1383131750 is a wasteful number, since it uses less digits than its factorization.

1383131750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575 (or 5565 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1383131750 is about 37190.4792924211. The cubic root of 1383131750 is about 1114.1778411038.

The spelling of 1383131750 in words is "one billion, three hundred eighty-three million, one hundred thirty-one thousand, seven hundred fifty".