1375317630 has 80 divisors (see below), whose sum is σ = 3703924224. Its totient is φ = 366171840.

The previous prime is 1375317611. The next prime is 1375317631. The reversal of 1375317630 is 367135731.

It is a happy number.

1375317630 is a `hidden beast` number, since 1 + 3 + 7 + 5 + 3 + 17 + 630 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375317631) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 826179 + ... + 827841.

Almost surely, 2^1375317630 is an apocalyptic number.

1375317630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1375317630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1851962112).

1375317630 is an abundant number, since it is smaller than the sum of its proper divisors (2328606594).

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

1375317630 is a wasteful number, since it uses less digits than its factorization.

1375317630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The square root of 1375317630 is about 37085.2751102105. The cubic root of 1375317630 is about 1112.0756632737.

It can be divided in two parts, 137531 and 7630, that added together give a square (145161 = 381²).

The spelling of 1375317630 in words is "one billion, three hundred seventy-five million, three hundred seventeen thousand, six hundred thirty".