146719749609520 has 40 divisors (see below), whose sum is σ = 355954870796256. Its totient is φ = 56136252023808.

The previous prime is 146719749609487. The next prime is 146719749609581. The reversal of 146719749609520 is 25906947917641.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 146719749609520.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39869495337 + ... + 39869499016.

Almost surely, 2^{146719749609520} is an apocalyptic number.

146719749609520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146719749609520 is an abundant number, since it is smaller than the sum of its proper divisors (209235121186736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146719749609520 is a wasteful number, since it uses less digits than its factorization.

146719749609520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79738994389 (or 79738994383 counting only the distinct ones).

The product of its (nonzero) digits is 205752960, while the sum is 70.

The spelling of 146719749609520 in words is "one hundred forty-six trillion, seven hundred nineteen billion, seven hundred forty-nine million, six hundred nine thousand, five hundred twenty".