1350131920 has 40 divisors (see below), whose sum is σ = 3163797504. Its totient is φ = 535796352.

The previous prime is 1350131903. The next prime is 1350131929. The reversal of 1350131920 is 291310531.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350131929) 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, 56284 + ... + 76603.

Almost surely, 2^1350131920 is an apocalyptic number.

1350131920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350131920 is an abundant number, since it is smaller than the sum of its proper divisors (1813665584).

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

1350131920 is a wasteful number, since it uses less digits than its factorization.

1350131920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133027 (or 133021 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 1350131920 is about 36744.1413017096. The cubic root of 1350131920 is about 1105.2454482296.

The spelling of 1350131920 in words is "one billion, three hundred fifty million, one hundred thirty-one thousand, nine hundred twenty".