146742120577657 has 4 divisors (see below), whose sum is σ = 160082313357456. Its totient is φ = 133401927797860.

The previous prime is 146742120577649. The next prime is 146742120577669. The reversal of 146742120577657 is 756775021247641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146742120577657 - 2³ = 146742120577649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146742220577657) 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, 6670096389883 + ... + 6670096389904.

It is an arithmetic number, because the mean of its divisors is an integer number (40020578339364).

Almost surely, 2^{146742120577657} is an apocalyptic number.

It is an amenable number.

146742120577657 is a deficient number, since it is larger than the sum of its proper divisors (13340192779799).

146742120577657 is a wasteful number, since it uses less digits than its factorization.

146742120577657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13340192779798.

The product of its (nonzero) digits is 138297600, while the sum is 64.

The spelling of 146742120577657 in words is "one hundred forty-six trillion, seven hundred forty-two billion, one hundred twenty million, five hundred seventy-seven thousand, six hundred fifty-seven".