128002154362 has 8 divisors (see below), whose sum is σ = 192459297492. Its totient is φ = 63849055200.

The previous prime is 128002154359. The next prime is 128002154377. The reversal of 128002154362 is 263451200821.

It can be written as a sum of positive squares in 2 ways, for example, as 118563837561 + 9438316801 = 344331^2 + 97151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76009939 + ... + 76011622.

Almost surely, 2^128002154362 is an apocalyptic number.

128002154362 is a deficient number, since it is larger than the sum of its proper divisors (64457143130).

128002154362 is a wasteful number, since it uses less digits than its factorization.

128002154362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152021984.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 128002154362 in words is "one hundred twenty-eight billion, two million, one hundred fifty-four thousand, three hundred sixty-two".