136342998 has 48 divisors (see below), whose sum is σ = 323459136. Its totient is φ = 41163120.

The previous prime is 136342967. The next prime is 136343003. The reversal of 136342998 is 899243631.

It is a happy number.

136342998 is a `hidden beast` number, since 1 + 3 + 634 + 2 + 9 + 9 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59665 + ... + 61907.

It is an arithmetic number, because the mean of its divisors is an integer number (6738732).

Almost surely, 2^136342998 is an apocalyptic number.

136342998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 136342998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161729568).

136342998 is an abundant number, since it is smaller than the sum of its proper divisors (187116138).

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

136342998 is a wasteful number, since it uses less digits than its factorization.

136342998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569 (or 2566 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 136342998 is about 11676.6004470479. The cubic root of 136342998 is about 514.6882808992.

The spelling of 136342998 in words is "one hundred thirty-six million, three hundred forty-two thousand, nine hundred ninety-eight".