1433138740 has 96 divisors (see below), whose sum is σ = 3459262464. Its totient is φ = 493637760.

The previous prime is 1433138737. The next prime is 1433138771. The reversal of 1433138740 is 478313341.

It is a junction number, because it is equal to n+sod(n) for n = 1433138696 and 1433138705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 540097 + ... + 542743.

It is an arithmetic number, because the mean of its divisors is an integer number (36033984).

Almost surely, 2^1433138740 is an apocalyptic number.

1433138740 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 1433138740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729631232).

1433138740 is an abundant number, since it is smaller than the sum of its proper divisors (2026123724).

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

1433138740 is a wasteful number, since it uses less digits than its factorization.

1433138740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797 (or 2795 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1433138740 is about 37856.8189366196. The cubic root of 1433138740 is about 1127.4468527217.

The spelling of 1433138740 in words is "one billion, four hundred thirty-three million, one hundred thirty-eight thousand, seven hundred forty".