1381284153140 has 24 divisors (see below), whose sum is σ = 2901736142592. Its totient is φ = 552315676320.

The previous prime is 1381284153077. The next prime is 1381284153157. The reversal of 1381284153140 is 413514821831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12316844 + ... + 12428483.

It is an arithmetic number, because the mean of its divisors is an integer number (120905672608).

Almost surely, 2^{1381284153140} is an apocalyptic number.

1381284153140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1381284153140 is an abundant number, since it is smaller than the sum of its proper divisors (1520451989452).

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

1381284153140 is a wasteful number, since it uses less digits than its factorization.

1381284153140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24748127 (or 24748125 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

Adding to 1381284153140 its reverse (413514821831), we get a palindrome (1794798974971).

The spelling of 1381284153140 in words is "one trillion, three hundred eighty-one billion, two hundred eighty-four million, one hundred fifty-three thousand, one hundred forty".