152135778 has 16 divisors (see below), whose sum is σ = 306462240. Its totient is φ = 50346816.

The previous prime is 152135773. The next prime is 152135779. The reversal of 152135778 is 877531251.

It is not an unprimeable number, because it can be changed into a prime (152135773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90375 + ... + 92042.

It is an arithmetic number, because the mean of its divisors is an integer number (19153890).

Almost surely, 2^152135778 is an apocalyptic number.

152135778 is an abundant number, since it is smaller than the sum of its proper divisors (154326462).

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

152135778 is a wasteful number, since it uses less digits than its factorization.

152135778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182561.

The product of its digits is 58800, while the sum is 39.

The square root of 152135778 is about 12334.3333018044. Note that the first 4 decimals coincide. The cubic root of 152135778 is about 533.8391904512.

The spelling of 152135778 in words is "one hundred fifty-two million, one hundred thirty-five thousand, seven hundred seventy-eight".