1341002000 has 80 divisors (see below), whose sum is σ = 3492036912. Its totient is φ = 495129600.

The previous prime is 1341001957. The next prime is 1341002059. The reversal of 1341002000 is 2001431.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 672676096 + 668325904 = 25936^2 + 25852^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212 + ... + 51788.

Almost surely, 2^1341002000 is an apocalyptic number.

1341002000 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 1341002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1746018456).

1341002000 is an abundant number, since it is smaller than the sum of its proper divisors (2151034912).

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

1341002000 is a wasteful number, since it uses less digits than its factorization.

1341002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51613 (or 51597 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1341002000 is about 36619.6941549216. The cubic root of 1341002000 is about 1102.7484986856.

Adding to 1341002000 its reverse (2001431), we get a palindrome (1343003431).

The spelling of 1341002000 in words is "one billion, three hundred forty-one million, two thousand".