146119681 has 8 divisors (see below), whose sum is σ = 147537000. Its totient is φ = 144708480.

The previous prime is 146119651. The next prime is 146119691. The reversal of 146119681 is 186911641.

It can be written as a sum of positive squares in 4 ways, for example, as 16524225 + 129595456 = 4065^2 + 11384^2 .

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 146119681 - 2⁷ = 146119553 is a prime.

It is a super-2 number, since 2×146119681² = 42701922351083522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146119681.

It is not an unprimeable number, because it can be changed into a prime (146119651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56701 + ... + 59221.

It is an arithmetic number, because the mean of its divisors is an integer number (18442125).

Almost surely, 2^146119681 is an apocalyptic number.

It is an amenable number.

146119681 is a deficient number, since it is larger than the sum of its proper divisors (1417319).

146119681 is a wasteful number, since it uses less digits than its factorization.

146119681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059.

The product of its digits is 10368, while the sum is 37.

The square root of 146119681 is about 12087.9973941096. The cubic root of 146119681 is about 526.7075840577.

The spelling of 146119681 in words is "one hundred forty-six million, one hundred nineteen thousand, six hundred eighty-one".