40455146133121 has 4 divisors (see below), whose sum is σ = 40462806647044. Its totient is φ = 40447485619200.

The previous prime is 40455146133091. The next prime is 40455146133161. The reversal of 40455146133121 is 12133164155404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18671559523600 + 21783586609521 = 4321060^2 + 4667289^2 .

It is a cyclic number.

It is not a de Polignac number, because 40455146133121 - 2¹¹ = 40455146131073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40455146133161) 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, 3830249040 + ... + 3830259601.

It is an arithmetic number, because the mean of its divisors is an integer number (10115701661761).

Almost surely, 2^{40455146133121} is an apocalyptic number.

It is an amenable number.

40455146133121 is a deficient number, since it is larger than the sum of its proper divisors (7660513923).

40455146133121 is an equidigital number, since it uses as much as digits as its factorization.

40455146133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7660513922.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 40455146133121 in words is "forty trillion, four hundred fifty-five billion, one hundred forty-six million, one hundred thirty-three thousand, one hundred twenty-one".