146135059691 has 4 divisors (see below), whose sum is σ = 146167851912. Its totient is φ = 146102267472.

The previous prime is 146135059663. The next prime is 146135059703. The reversal of 146135059691 is 196950531641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 196950531641 = 1579 ⋅124731179.

It is a cyclic number.

It is not a de Polignac number, because 146135059691 - 2¹⁸ = 146134797547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146135019691) 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, 16389425 + ... + 16398338.

It is an arithmetic number, because the mean of its divisors is an integer number (36541962978).

Almost surely, 2^146135059691 is an apocalyptic number.

146135059691 is a deficient number, since it is larger than the sum of its proper divisors (32792221).

146135059691 is an equidigital number, since it uses as much as digits as its factorization.

146135059691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32792220.

The product of its (nonzero) digits is 874800, while the sum is 50.

The spelling of 146135059691 in words is "one hundred forty-six billion, one hundred thirty-five million, fifty-nine thousand, six hundred ninety-one".