428546146131 has 24 divisors (see below), whose sum is σ = 622977345536. Its totient is φ = 283871764080.

The previous prime is 428546146117. The next prime is 428546146153. The reversal of 428546146131 is 131641645824.

428546146131 is a `hidden beast` number, since 4 + 2 + 8 + 546 + 14 + 61 + 31 = 666.

It is not a de Polignac number, because 428546146131 - 2⁷ = 428546146003 is a prime.

It is a super-2 number, since 2×428546146131² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428546141131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 845526 + ... + 1253796.

Almost surely, 2^428546146131 is an apocalyptic number.

428546146131 is a deficient number, since it is larger than the sum of its proper divisors (194431199405).

428546146131 is a wasteful number, since it uses less digits than its factorization.

428546146131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409023 (or 409020 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The spelling of 428546146131 in words is "four hundred twenty-eight billion, five hundred forty-six million, one hundred forty-six thousand, one hundred thirty-one".