867542132 has 12 divisors (see below), whose sum is σ = 1531634916. Its totient is φ = 429932160.

The previous prime is 867542131. The next prime is 867542149. The reversal of 867542132 is 231245768.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37871716 + 829670416 = 6154^2 + 28804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867542131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959219 + ... + 960122.

It is an arithmetic number, because the mean of its divisors is an integer number (127636243).

Almost surely, 2^867542132 is an apocalyptic number.

It is an amenable number.

867542132 is a deficient number, since it is larger than the sum of its proper divisors (664092784).

867542132 is a wasteful number, since it uses less digits than its factorization.

867542132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919458 (or 1919456 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 867542132 is about 29454.0681740231. The cubic root of 867542132 is about 953.7404269277.

The spelling of 867542132 in words is "eight hundred sixty-seven million, five hundred forty-two thousand, one hundred thirty-two".