1350969520 has 80 divisors (see below), whose sum is σ = 3201045120. Its totient is φ = 530150400.

The previous prime is 1350969479. The next prime is 1350969533. The reversal of 1350969520 is 259690531.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143330 + ... + 1144510.

It is an arithmetic number, because the mean of its divisors is an integer number (40013064).

Almost surely, 2^1350969520 is an apocalyptic number.

1350969520 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 1350969520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600522560).

1350969520 is an abundant number, since it is smaller than the sum of its proper divisors (1850075600).

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

1350969520 is a wasteful number, since it uses less digits than its factorization.

1350969520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 1350969520 is about 36755.5372699135. The cubic root of 1350969520 is about 1105.4739597794.

The spelling of 1350969520 in words is "one billion, three hundred fifty million, nine hundred sixty-nine thousand, five hundred twenty".