148221526135 has 16 divisors (see below), whose sum is σ = 179693553600. Its totient is φ = 117361115136.

The previous prime is 148221526133. The next prime is 148221526139. The reversal of 148221526135 is 531625122841.

148221526135 = T₃₁₄₃₄₆ + T₃₁₄₃₄₇ + T₃₁₄₃₄₈.

It is a happy number.

It is a 15-Lehmer number, since φ(148221526135) divides (148221526135-1)¹⁵.

It is a cyclic number.

It is not a de Polignac number, because 148221526135 - 2¹ = 148221526133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148221526133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352887 + ... + 648823.

It is an arithmetic number, because the mean of its divisors is an integer number (11230847100).

Almost surely, 2^148221526135 is an apocalyptic number.

148221526135 is the 314348-th centered triangular number.

148221526135 is a deficient number, since it is larger than the sum of its proper divisors (31472027465).

148221526135 is a wasteful number, since it uses less digits than its factorization.

148221526135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296970.

The product of its digits is 115200, while the sum is 40.

Adding to 148221526135 its reverse (531625122841), we get a palindrome (679846648976).

The spelling of 148221526135 in words is "one hundred forty-eight billion, two hundred twenty-one million, five hundred twenty-six thousand, one hundred thirty-five".