146540011577021 has 8 divisors (see below), whose sum is σ = 150519481238784. Its totient is φ = 142561538168400.

The previous prime is 146540011577009. The next prime is 146540011577023. The reversal of 146540011577021 is 120775110045641.

146540011577021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146540011577021 - 2¹⁴ = 146540011560637 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 (146540011577023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248765105 + ... + 249353478.

It is an arithmetic number, because the mean of its divisors is an integer number (18814935154848).

Almost surely, 2^{146540011577021} is an apocalyptic number.

It is an amenable number.

146540011577021 is a deficient number, since it is larger than the sum of its proper divisors (3979469661763).

146540011577021 is an equidigital number, since it uses as much as digits as its factorization.

146540011577021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498126571.

The product of its (nonzero) digits is 235200, while the sum is 44.

The spelling of 146540011577021 in words is "one hundred forty-six trillion, five hundred forty billion, eleven million, five hundred seventy-seven thousand, twenty-one".