1375908660 has 192 divisors, whose sum is σ = 4915814400. Its totient is φ = 312971904.

The previous prime is 1375908647. The next prime is 1375908689. The reversal of 1375908660 is 668095731.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 902659 + ... + 904181.

It is an arithmetic number, because the mean of its divisors is an integer number (25603200).

Almost surely, 2^1375908660 is an apocalyptic number.

1375908660 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 1375908660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2457907200).

1375908660 is an abundant number, since it is smaller than the sum of its proper divisors (3539905740).

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

1375908660 is a wasteful number, since it uses less digits than its factorization.

1375908660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787 (or 1779 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 1375908660 is about 37093.2427808624. The cubic root of 1375908660 is about 1112.2349418615.

The spelling of 1375908660 in words is "one billion, three hundred seventy-five million, nine hundred eight thousand, six hundred sixty".