1421005545234 has 96 divisors (see below), whose sum is σ = 3393514051200. Its totient is φ = 426153408000.

The previous prime is 1421005545233. The next prime is 1421005545277. The reversal of 1421005545234 is 4325455001241.

1421005545234 is a `hidden beast` number, since 1 + 4 + 2 + 100 + 5 + 545 + 2 + 3 + 4 = 666.

It is a super-2 number, since 2×1421005545234² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1421005545233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48320467 + ... + 48349865.

It is an arithmetic number, because the mean of its divisors is an integer number (35349104700).

Almost surely, 2^{1421005545234} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421005545234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696757025600).

1421005545234 is an abundant number, since it is smaller than the sum of its proper divisors (1972508505966).

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

1421005545234 is a wasteful number, since it uses less digits than its factorization.

1421005545234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31936 (or 31933 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 1421005545234 in words is "one trillion, four hundred twenty-one billion, five million, five hundred forty-five thousand, two hundred thirty-four".