155136998 has 8 divisors (see below), whose sum is σ = 232825008. Its totient is φ = 77528664.

The previous prime is 155136953. The next prime is 155137007. The reversal of 155136998 is 899631551.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14786 + ... + 22997.

It is an arithmetic number, because the mean of its divisors is an integer number (29103126).

Almost surely, 2^155136998 is an apocalyptic number.

155136998 is a deficient number, since it is larger than the sum of its proper divisors (77688010).

155136998 is a wasteful number, since it uses less digits than its factorization.

155136998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39838.

The product of its digits is 291600, while the sum is 47.

The square root of 155136998 is about 12455.4003548662. The cubic root of 155136998 is about 537.3267491382.

The spelling of 155136998 in words is "one hundred fifty-five million, one hundred thirty-six thousand, nine hundred ninety-eight".