135251046 has 80 divisors (see below), whose sum is σ = 354926880. Its totient is φ = 37687680.

The previous prime is 135251033. The next prime is 135251059. The reversal of 135251046 is 640152531.

It is an interprime number because it is at equal distance from previous prime (135251033) and next prime (135251059).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 45040 + ... + 47948.

It is an arithmetic number, because the mean of its divisors is an integer number (4436586).

Almost surely, 2^135251046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135251046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177463440).

135251046 is an abundant number, since it is smaller than the sum of its proper divisors (219675834).

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

135251046 is a wasteful number, since it uses less digits than its factorization.

135251046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971 (or 2962 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 135251046 is about 11629.7483205786. The cubic root of 135251046 is about 513.3105742238.

The spelling of 135251046 in words is "one hundred thirty-five million, two hundred fifty-one thousand, forty-six".