998135152 has 40 divisors (see below), whose sum is σ = 2218204256. Its totient is φ = 426214656.

The previous prime is 998135143. The next prime is 998135153. The reversal of 998135152 is 251531899.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 998135099 and 998135108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998135153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14938 + ... + 47110.

Almost surely, 2^998135152 is an apocalyptic number.

It is an amenable number.

998135152 is an abundant number, since it is smaller than the sum of its proper divisors (1220069104).

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

998135152 is a wasteful number, since it uses less digits than its factorization.

998135152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32465 (or 32459 counting only the distinct ones).

The product of its digits is 97200, while the sum is 43.

The square root of 998135152 is about 31593.2770063506. The cubic root of 998135152 is about 999.3779971927.

The spelling of 998135152 in words is "nine hundred ninety-eight million, one hundred thirty-five thousand, one hundred fifty-two".