1381031753 has 4 divisors (see below), whose sum is σ = 1381138308. Its totient is φ = 1380925200.

The previous prime is 1381031749. The next prime is 1381031783. The reversal of 1381031753 is 3571301831.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 289918729 + 1091113024 = 17027^2 + 33032^2 .

It is a cyclic number.

It is not a de Polignac number, because 1381031753 - 2² = 1381031749 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1381031723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30626 + ... + 60827.

It is an arithmetic number, because the mean of its divisors is an integer number (345284577).

Almost surely, 2^1381031753 is an apocalyptic number.

It is an amenable number.

1381031753 is a deficient number, since it is larger than the sum of its proper divisors (106555).

1381031753 is an equidigital number, since it uses as much as digits as its factorization.

1381031753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106554.

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

The square root of 1381031753 is about 37162.2355759177. The cubic root of 1381031753 is about 1113.6136732833.

The spelling of 1381031753 in words is "one billion, three hundred eighty-one million, thirty-one thousand, seven hundred fifty-three".