1340204202 has 48 divisors (see below), whose sum is σ = 3014051040. Its totient is φ = 429873696.

The previous prime is 1340204171. The next prime is 1340204233. The reversal of 1340204202 is 2024020431.

It is an interprime number because it is at equal distance from previous prime (1340204171) and next prime (1340204233).

It is a super-2 number, since 2×1340204202² = 3592294606116913608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 156073 + ... + 164435.

It is an arithmetic number, because the mean of its divisors is an integer number (62792730).

Almost surely, 2^1340204202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340204202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507025520).

1340204202 is an abundant number, since it is smaller than the sum of its proper divisors (1673846838).

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

1340204202 is a wasteful number, since it uses less digits than its factorization.

1340204202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8707 (or 8704 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1340204202 is about 36608.7995159634. The cubic root of 1340204202 is about 1102.5297704334.

Adding to 1340204202 its reverse (2024020431), we get a palindrome (3364224633).

The spelling of 1340204202 in words is "one billion, three hundred forty million, two hundred four thousand, two hundred two".