155135101 has 16 divisors (see below), whose sum is σ = 172171008. Its totient is φ = 138611200.

The previous prime is 155135093. The next prime is 155135111. The reversal of 155135101 is 101531551.

It is a cyclic number.

It is not a de Polignac number, because 155135101 - 2³ = 155135093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155135111) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 169836 + ... + 170746.

It is an arithmetic number, because the mean of its divisors is an integer number (10760688).

Almost surely, 2^155135101 is an apocalyptic number.

155135101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

155135101 is a deficient number, since it is larger than the sum of its proper divisors (17035907).

155135101 is a wasteful number, since it uses less digits than its factorization.

155135101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172.

The product of its (nonzero) digits is 375, while the sum is 22.

The square root of 155135101 is about 12455.3242029262. The cubic root of 155135101 is about 537.3245590030.

Adding to 155135101 its reverse (101531551), we get a palindrome (256666652).

It can be divided in two parts, 155135 and 101, that added together give a square (155236 = 394²).

The spelling of 155135101 in words is "one hundred fifty-five million, one hundred thirty-five thousand, one hundred one".