10421054135 has 4 divisors (see below), whose sum is σ = 12505264968. Its totient is φ = 8336843304.

The previous prime is 10421054131. The next prime is 10421054177. The reversal of 10421054135 is 53145012401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10421054135 - 2² = 10421054131 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 (10421054131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1042105409 + ... + 1042105418.

It is an arithmetic number, because the mean of its divisors is an integer number (3126316242).

Almost surely, 2^10421054135 is an apocalyptic number.

10421054135 is a deficient number, since it is larger than the sum of its proper divisors (2084210833).

10421054135 is an equidigital number, since it uses as much as digits as its factorization.

10421054135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084210832.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 10421054135 its reverse (53145012401), we get a palindrome (63566066536).

The spelling of 10421054135 in words is "ten billion, four hundred twenty-one million, fifty-four thousand, one hundred thirty-five".