1450131320 has 32 divisors (see below), whose sum is σ = 3559414320. Its totient is φ = 527320320.

The previous prime is 1450131253. The next prime is 1450131367. The reversal of 1450131320 is 231310541.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1450131292 and 1450131301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1647437 + ... + 1648316.

Almost surely, 2^1450131320 is an apocalyptic number.

1450131320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1450131320 is an abundant number, since it is smaller than the sum of its proper divisors (2109283000).

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

1450131320 is a wasteful number, since it uses less digits than its factorization.

1450131320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295775 (or 3295771 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1450131320 is about 38080.5898063567. The cubic root of 1450131320 is about 1131.8853638278.

Adding to 1450131320 its reverse (231310541), we get a palindrome (1681441861).

The spelling of 1450131320 in words is "one billion, four hundred fifty million, one hundred thirty-one thousand, three hundred twenty".