1375235940 has 96 divisors (see below), whose sum is σ = 4248107136. Its totient is φ = 330255360.

The previous prime is 1375235929. The next prime is 1375235951. The reversal of 1375235940 is 495325731.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1375235929) and next prime (1375235951).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 10479 + ... + 53481.

It is an arithmetic number, because the mean of its divisors is an integer number (44251116).

Almost surely, 2^1375235940 is an apocalyptic number.

1375235940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1375235940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2124053568).

1375235940 is an abundant number, since it is smaller than the sum of its proper divisors (2872871196).

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

1375235940 is a wasteful number, since it uses less digits than its factorization.

1375235940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43069 (or 43067 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 1375235940 is about 37084.1737133241. The cubic root of 1375235940 is about 1112.0536447819.

The spelling of 1375235940 in words is "one billion, three hundred seventy-five million, two hundred thirty-five thousand, nine hundred forty".