1436145820 has 24 divisors (see below), whose sum is σ = 3086045424. Its totient is φ = 561098496.

The previous prime is 1436145817. The next prime is 1436145847. The reversal of 1436145820 is 285416341.

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, 834109 + ... + 835828.

It is an arithmetic number, because the mean of its divisors is an integer number (128585226).

Almost surely, 2^1436145820 is an apocalyptic number.

1436145820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1436145820 is an abundant number, since it is smaller than the sum of its proper divisors (1649899604).

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

1436145820 is a wasteful number, since it uses less digits than its factorization.

1436145820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669989 (or 1669987 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 1436145820 is about 37896.5146154630. The cubic root of 1436145820 is about 1128.2348560745.

The spelling of 1436145820 in words is "one billion, four hundred thirty-six million, one hundred forty-five thousand, eight hundred twenty".