136785750 has 128 divisors (see below), whose sum is σ = 372902400. Its totient is φ = 33264000.

The previous prime is 136785749. The next prime is 136785763. The reversal of 136785750 is 57587631.

136785750 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 413085 + ... + 413415.

It is an arithmetic number, because the mean of its divisors is an integer number (2913300).

Almost surely, 2^136785750 is an apocalyptic number.

136785750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 136785750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186451200).

136785750 is an abundant number, since it is smaller than the sum of its proper divisors (236116650).

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

136785750 is a wasteful number, since it uses less digits than its factorization.

136785750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 136785750 is about 11695.5440232595. The cubic root of 136785750 is about 515.2448014541.

The spelling of 136785750 in words is "one hundred thirty-six million, seven hundred eighty-five thousand, seven hundred fifty".