1340203101 has 8 divisors (see below), whose sum is σ = 1787124864. Its totient is φ = 893375040.

The previous prime is 1340203079. The next prime is 1340203157. The reversal of 1340203101 is 1013020431.

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

It is not a de Polignac number, because 1340203101 - 2¹⁰ = 1340202077 is a prime.

It is a super-2 number, since 2×1340203101² = 3592288703860032402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340203181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23221 + ... + 56741.

It is an arithmetic number, because the mean of its divisors is an integer number (223390608).

Almost surely, 2^1340203101 is an apocalyptic number.

It is an amenable number.

1340203101 is a deficient number, since it is larger than the sum of its proper divisors (446921763).

1340203101 is a wasteful number, since it uses less digits than its factorization.

1340203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46851.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1340203101 is about 36608.7844785920. The cubic root of 1340203101 is about 1102.5294685178.

Adding to 1340203101 its reverse (1013020431), we get a palindrome (2353223532).

The spelling of 1340203101 in words is "one billion, three hundred forty million, two hundred three thousand, one hundred one".