134203000402421 has 16 divisors (see below), whose sum is σ = 139705971955200. Its totient is φ = 128760929924928.

The previous prime is 134203000402411. The next prime is 134203000402459. The reversal of 134203000402421 is 124204000302431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134203000402421 is a prime.

It is a super-2 number, since 2×134203000402421² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134203000402411) 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, 19809701 + ... + 25706618.

It is an arithmetic number, because the mean of its divisors is an integer number (8731623247200).

Almost surely, 2^{134203000402421} is an apocalyptic number.

It is an amenable number.

134203000402421 is a deficient number, since it is larger than the sum of its proper divisors (5502971552779).

134203000402421 is a wasteful number, since it uses less digits than its factorization.

134203000402421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45516988.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 134203000402421 its reverse (124204000302431), we get a palindrome (258407000704852).

The spelling of 134203000402421 in words is "one hundred thirty-four trillion, two hundred three billion, four hundred two thousand, four hundred twenty-one".