135746380 has 96 divisors (see below), whose sum is σ = 358106112. Its totient is φ = 41990400.

The previous prime is 135746371. The next prime is 135746381. The reversal of 135746380 is 83647531.

It is not an unprimeable number, because it can be changed into a prime (135746381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278497 + ... + 278983.

It is an arithmetic number, because the mean of its divisors is an integer number (3730272).

Almost surely, 2^135746380 is an apocalyptic number.

135746380 is a gapful number since it is divisible by the number (10) 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 135746380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179053056).

135746380 is an abundant number, since it is smaller than the sum of its proper divisors (222359732).

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

135746380 is a wasteful number, since it uses less digits than its factorization.

135746380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 135746380 is about 11651.0248476261. The cubic root of 135746380 is about 513.9364484100.

The spelling of 135746380 in words is "one hundred thirty-five million, seven hundred forty-six thousand, three hundred eighty".