1375131250 has 24 divisors (see below), whose sum is σ = 2578217796. Its totient is φ = 550050000.

The previous prime is 1375131229. The next prime is 1375131259. The reversal of 1375131250 is 521315731.

It can be written as a sum of positive squares in 6 ways, for example, as 58384881 + 1316746369 = 7641^2 + 36287^2 .

It is not an unprimeable number, because it can be changed into a prime (1375131259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103761 + ... + 116260.

Almost surely, 2^1375131250 is an apocalyptic number.

1375131250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1375131250 is a deficient number, since it is larger than the sum of its proper divisors (1203086546).

1375131250 is an frugal number, since it uses more digits than its factorization.

1375131250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220048 (or 220028 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 1375131250 is about 37082.7621678860. The cubic root of 1375131250 is about 1112.0254256604.

Adding to 1375131250 its reverse (521315731), we get a palindrome (1896446981).

The spelling of 1375131250 in words is "one billion, three hundred seventy-five million, one hundred thirty-one thousand, two hundred fifty".