7131487532742 has 48 divisors (see below), whose sum is σ = 15989028719040. Its totient is φ = 2294522246016.

The previous prime is 7131487532731. The next prime is 7131487532791. The reversal of 7131487532742 is 2472357841317.

7131487532742 is a `hidden beast` number, since 7 + 1 + 31 + 4 + 8 + 7 + 532 + 74 + 2 = 666.

It is a super-2 number, since 2×7131487532742² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 197758 + ... + 3781809.

It is an arithmetic number, because the mean of its divisors is an integer number (333104764980).

Almost surely, 2^{7131487532742} is an apocalyptic number.

7131487532742 is an abundant number, since it is smaller than the sum of its proper divisors (8857541186298).

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

7131487532742 is a wasteful number, since it uses less digits than its factorization.

7131487532742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983037 (or 3983034 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 54.

The spelling of 7131487532742 in words is "seven trillion, one hundred thirty-one billion, four hundred eighty-seven million, five hundred thirty-two thousand, seven hundred forty-two".