136435340540 has 24 divisors (see below), whose sum is σ = 288770237952. Its totient is φ = 54144417600.

The previous prime is 136435340537. The next prime is 136435340563. The reversal of 136435340540 is 45043534631.

It is a super-2 number, since 2×136435340540² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136435340494 and 136435340503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26854811 + ... + 26859890.

It is an arithmetic number, because the mean of its divisors is an integer number (12032093248).

Almost surely, 2^136435340540 is an apocalyptic number.

136435340540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136435340540 is an abundant number, since it is smaller than the sum of its proper divisors (152334897412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136435340540 is a wasteful number, since it uses less digits than its factorization.

136435340540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53714837 (or 53714835 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 136435340540 in words is "one hundred thirty-six billion, four hundred thirty-five million, three hundred forty thousand, five hundred forty".