235513206136 has 64 divisors (see below), whose sum is σ = 505788192000. Its totient is φ = 101845444608.

The previous prime is 235513206133. The next prime is 235513206139. The reversal of 235513206136 is 631602315532.

It is an interprime number because it is at equal distance from previous prime (235513206133) and next prime (235513206139).

It is a junction number, because it is equal to n+sod(n) for n = 235513206095 and 235513206104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235513206133) 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, 95590 + ... + 692938.

It is an arithmetic number, because the mean of its divisors is an integer number (7902940500).

Almost surely, 2^235513206136 is an apocalyptic number.

235513206136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235513206136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252894096000).

235513206136 is an abundant number, since it is smaller than the sum of its proper divisors (270274985864).

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

235513206136 is a wasteful number, since it uses less digits than its factorization.

235513206136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597608 (or 597604 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 235513206136 in words is "two hundred thirty-five billion, five hundred thirteen million, two hundred six thousand, one hundred thirty-six".