155181136 has 20 divisors (see below), whose sum is σ = 327996864. Its totient is φ = 70536800.

The previous prime is 155181127. The next prime is 155181149. The reversal of 155181136 is 631181551.

It is a junction number, because it is equal to n+sod(n) for n = 155181098 and 155181107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440680 + ... + 441031.

Almost surely, 2^155181136 is an apocalyptic number.

155181136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155181136 is an abundant number, since it is smaller than the sum of its proper divisors (172815728).

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

155181136 is a wasteful number, since it uses less digits than its factorization.

155181136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881730 (or 881724 counting only the distinct ones).

The product of its digits is 3600, while the sum is 31.

The square root of 155181136 is about 12457.1720707390. The cubic root of 155181136 is about 537.3777025525.

The spelling of 155181136 in words is "one hundred fifty-five million, one hundred eighty-one thousand, one hundred thirty-six".