1361332107421 has 16 divisors (see below), whose sum is σ = 1623197798208. Its totient is φ = 1125326188800.

The previous prime is 1361332107379. The next prime is 1361332107449. The reversal of 1361332107421 is 1247012331631.

It is a de Polignac number, because none of the positive numbers 2^k-1361332107421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361332101421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71033740 + ... + 71052901.

It is an arithmetic number, because the mean of its divisors is an integer number (101449862388).

Almost surely, 2^{1361332107421} is an apocalyptic number.

1361332107421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1361332107421 is a deficient number, since it is larger than the sum of its proper divisors (261865690787).

1361332107421 is a wasteful number, since it uses less digits than its factorization.

1361332107421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142086732.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 1361332107421 in words is "one trillion, three hundred sixty-one billion, three hundred thirty-two million, one hundred seven thousand, four hundred twenty-one".