9142131550 has 24 divisors (see below), whose sum is σ = 17012154456. Its totient is φ = 3655177440.

The previous prime is 9142131527. The next prime is 9142131571. The reversal of 9142131550 is 551312419.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71392 + ... + 152908.

It is an arithmetic number, because the mean of its divisors is an integer number (708839769).

Almost surely, 2^9142131550 is an apocalyptic number.

9142131550 is a deficient number, since it is larger than the sum of its proper divisors (7870022906).

9142131550 is a wasteful number, since it uses less digits than its factorization.

9142131550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83772 (or 83767 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 9142131550 is about 95614.4944556002. The cubic root of 9142131550 is about 2090.9765168753.

Adding to 9142131550 its reverse (551312419), we get a palindrome (9693443969).

The spelling of 9142131550 in words is "nine billion, one hundred forty-two million, one hundred thirty-one thousand, five hundred fifty".