1375001330 has 8 divisors (see below), whose sum is σ = 2475002412. Its totient is φ = 550000528.

The previous prime is 1375001321. The next prime is 1375001339. The reversal of 1375001330 is 331005731.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1375001321) and next prime (1375001339).

It can be written as a sum of positive squares in 2 ways, for example, as 1304726641 + 70274689 = 36121^2 + 8383^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1375001296 and 1375001305.

It is not an unprimeable number, because it can be changed into a prime (1375001339) 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, 68750057 + ... + 68750076.

Almost surely, 2^1375001330 is an apocalyptic number.

1375001330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1375001330 is a deficient number, since it is larger than the sum of its proper divisors (1100001082).

1375001330 is a wasteful number, since it uses less digits than its factorization.

1375001330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137500140.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 1375001330 is about 37081.0103691903. The cubic root of 1375001330 is about 1111.9904038171.

The spelling of 1375001330 in words is "one billion, three hundred seventy-five million, one thousand, three hundred thirty".