1534506156 has 72 divisors (see below), whose sum is σ = 4122138384. Its totient is φ = 479646720.

The previous prime is 1534506133. The next prime is 1534506163. The reversal of 1534506156 is 6516054351.

1534506156 is a `hidden beast` number, since 1 + 5 + 34 + 5 + 0 + 615 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1534506156.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167511 + ... + 176433.

It is an arithmetic number, because the mean of its divisors is an integer number (57251922).

Almost surely, 2^1534506156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1534506156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2061069192).

1534506156 is an abundant number, since it is smaller than the sum of its proper divisors (2587632228).

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

1534506156 is a wasteful number, since it uses less digits than its factorization.

1534506156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9231 (or 9226 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 1534506156 is about 39172.7731466640. The cubic root of 1534506156 is about 1153.4254904994.

The spelling of 1534506156 in words is "one billion, five hundred thirty-four million, five hundred six thousand, one hundred fifty-six".