1341231521400 has 72 divisors (see below), whose sum is σ = 4504302532080. Its totient is φ = 357661738560.

The previous prime is 1341231521393. The next prime is 1341231521431. The reversal of 1341231521400 is 41251321431.

1341231521400 is a `hidden beast` number, since 1 + 3 + 4 + 1 + 231 + 5 + 21 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 372562512 + ... + 372566111.

It is an arithmetic number, because the mean of its divisors is an integer number (62559757390).

Almost surely, 2^{1341231521400} is an apocalyptic number.

1341231521400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1341231521400 is an abundant number, since it is smaller than the sum of its proper divisors (3163071010680).

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

1341231521400 is a wasteful number, since it uses less digits than its factorization.

1341231521400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745128645 (or 745128633 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1341231521400 its reverse (41251321431), we get a palindrome (1382482842831).

The spelling of 1341231521400 in words is "one trillion, three hundred forty-one billion, two hundred thirty-one million, five hundred twenty-one thousand, four hundred".