421545505332134 has 32 divisors (see below), whose sum is σ = 681575578129440. Its totient is φ = 194807447683072.

The previous prime is 421545505332019. The next prime is 421545505332167. The reversal of 421545505332134 is 431233505545124.

It is a super-2 number, since 2×421545505332134² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108341339 + ... + 112164774.

It is an arithmetic number, because the mean of its divisors is an integer number (21299236816545).

Almost surely, 2^{421545505332134} is an apocalyptic number.

421545505332134 is a deficient number, since it is larger than the sum of its proper divisors (260030072797306).

421545505332134 is a wasteful number, since it uses less digits than its factorization.

421545505332134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220507144.

The product of its (nonzero) digits is 4320000, while the sum is 47.

The spelling of 421545505332134 in words is "four hundred twenty-one trillion, five hundred forty-five billion, five hundred five million, three hundred thirty-two thousand, one hundred thirty-four".