135411249658 has 4 divisors (see below), whose sum is σ = 203116874490. Its totient is φ = 67705624828.

The previous prime is 135411249653. The next prime is 135411249671. The reversal of 135411249658 is 856942114531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 114266309089 + 21144940569 = 338033^2 + 145413^2 .

It is not an unprimeable number, because it can be changed into a prime (135411249653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33852812413 + ... + 33852812416.

Almost surely, 2^135411249658 is an apocalyptic number.

135411249658 is a deficient number, since it is larger than the sum of its proper divisors (67705624832).

135411249658 is an equidigital number, since it uses as much as digits as its factorization.

135411249658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67705624831.

The product of its digits is 1036800, while the sum is 49.

The spelling of 135411249658 in words is "one hundred thirty-five billion, four hundred eleven million, two hundred forty-nine thousand, six hundred fifty-eight".