1340133503 has 8 divisors (see below), whose sum is σ = 1417105536. Its totient is φ = 1265270400.

The previous prime is 1340133499. The next prime is 1340133523. The reversal of 1340133503 is 3053310431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340133503 - 2² = 1340133499 is a prime.

It is a super-3 number, since 3×1340133503³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340133523) 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, 525926 + ... + 528467.

It is an arithmetic number, because the mean of its divisors is an integer number (177138192).

Almost surely, 2^1340133503 is an apocalyptic number.

1340133503 is a deficient number, since it is larger than the sum of its proper divisors (76972033).

1340133503 is a wasteful number, since it uses less digits than its factorization.

1340133503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054465.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1340133503 is about 36607.8339020489. The cubic root of 1340133503 is about 1102.5103830588.

Adding to 1340133503 its reverse (3053310431), we get a palindrome (4393443934).

The spelling of 1340133503 in words is "one billion, three hundred forty million, one hundred thirty-three thousand, five hundred three".