136436142532 has 6 divisors (see below), whose sum is σ = 238763249438. Its totient is φ = 68218071264.

The previous prime is 136436142499. The next prime is 136436142551. The reversal of 136436142532 is 235241634631.

It can be written as a sum of positive squares in only one way, i.e., 118698164676 + 17737977856 = 344526^2 + 133184^2 .

It is a super-2 number, since 2×136436142532² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17054517813 + ... + 17054517820.

Almost surely, 2^136436142532 is an apocalyptic number.

It is an amenable number.

136436142532 is a deficient number, since it is larger than the sum of its proper divisors (102327106906).

136436142532 is a wasteful number, since it uses less digits than its factorization.

136436142532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34109035637 (or 34109035635 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The spelling of 136436142532 in words is "one hundred thirty-six billion, four hundred thirty-six million, one hundred forty-two thousand, five hundred thirty-two".