146403391653 has 16 divisors (see below), whose sum is σ = 217147032960. Its totient is φ = 97488357408.

The previous prime is 146403391639. The next prime is 146403391657. The reversal of 146403391653 is 356193304641.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-146403391653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146403391599 and 146403391608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146403391657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3140425 + ... + 3186702.

It is an arithmetic number, because the mean of its divisors is an integer number (13571689560).

Almost surely, 2^146403391653 is an apocalyptic number.

It is an amenable number.

146403391653 is a deficient number, since it is larger than the sum of its proper divisors (70743641307).

146403391653 is an equidigital number, since it uses as much as digits as its factorization.

146403391653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6327993 (or 6327987 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 146403391653 in words is "one hundred forty-six billion, four hundred three million, three hundred ninety-one thousand, six hundred fifty-three".