1375342390 has 8 divisors (see below), whose sum is σ = 2475616320. Its totient is φ = 550136952.

The previous prime is 1375342387. The next prime is 1375342391. The reversal of 1375342390 is 932435731.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375342391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68767110 + ... + 68767129.

It is an arithmetic number, because the mean of its divisors is an integer number (309452040).

Almost surely, 2^1375342390 is an apocalyptic number.

1375342390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1375342390 is a deficient number, since it is larger than the sum of its proper divisors (1100273930).

1375342390 is a wasteful number, since it uses less digits than its factorization.

1375342390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137534246.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 1375342390 is about 37085.6089339248. The cubic root of 1375342390 is about 1112.0823368419.

The spelling of 1375342390 in words is "one billion, three hundred seventy-five million, three hundred forty-two thousand, three hundred ninety".