1365421234032 has 140 divisors (see below), whose sum is σ = 3967175062224. Its totient is φ = 455056185600.

The previous prime is 1365421234027. The next prime is 1365421234049. The reversal of 1365421234032 is 2304321245631.

1365421234032 is a `hidden beast` number, since 1 + 36 + 5 + 4 + 212 + 3 + 403 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 120285157 + ... + 120296507.

Almost surely, 2^{1365421234032} is an apocalyptic number.

1365421234032 is a gapful number since it is divisible by the number (12) 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 1365421234032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1983587531112).

1365421234032 is an abundant number, since it is smaller than the sum of its proper divisors (2601753828192).

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

1365421234032 is a wasteful number, since it uses less digits than its factorization.

1365421234032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21690 (or 21669 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 1365421234032 its reverse (2304321245631), we get a palindrome (3669742479663).

The spelling of 1365421234032 in words is "one trillion, three hundred sixty-five billion, four hundred twenty-one million, two hundred thirty-four thousand, thirty-two".