135948371236 has 6 divisors (see below), whose sum is σ = 237909649670. Its totient is φ = 67974185616.

The previous prime is 135948371231. The next prime is 135948371249. The reversal of 135948371236 is 632173849531.

It can be written as a sum of positive squares in only one way, i.e., 126743120100 + 9205251136 = 356010^2 + 95944^2 .

It is not an unprimeable number, because it can be changed into a prime (135948371231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16993546401 + ... + 16993546408.

Almost surely, 2^135948371236 is an apocalyptic number.

It is an amenable number.

135948371236 is a deficient number, since it is larger than the sum of its proper divisors (101961278434).

135948371236 is a wasteful number, since it uses less digits than its factorization.

135948371236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33987092813 (or 33987092811 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 52.

The spelling of 135948371236 in words is "one hundred thirty-five billion, nine hundred forty-eight million, three hundred seventy-one thousand, two hundred thirty-six".