1350907720 has 32 divisors (see below), whose sum is σ = 3218340600. Its totient is φ = 508576768.

The previous prime is 1350907717. The next prime is 1350907721. The reversal of 1350907720 is 277090531.

It can be written as a sum of positive squares in 4 ways, for example, as 1349974564 + 933156 = 36742^2 + 966^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1350907721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992635 + ... + 993994.

Almost surely, 2^1350907720 is an apocalyptic number.

1350907720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350907720 is an abundant number, since it is smaller than the sum of its proper divisors (1867432880).

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

1350907720 is a wasteful number, since it uses less digits than its factorization.

1350907720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986657 (or 1986653 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 1350907720 is about 36754.6965706425. The cubic root of 1350907720 is about 1105.4571029144.

The spelling of 1350907720 in words is "one billion, three hundred fifty million, nine hundred seven thousand, seven hundred twenty".