7140654372181 has 16 divisors (see below), whose sum is σ = 7938304026048. Its totient is φ = 6367801564800.

The previous prime is 7140654372169. The next prime is 7140654372191. The reversal of 7140654372181 is 1812734560417.

It is a cyclic number.

It is not a de Polignac number, because 7140654372181 - 2¹³ = 7140654363989 is a prime.

It is a super-2 number, since 2×7140654372181² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7140654372191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1875721 + ... + 4218961.

It is an arithmetic number, because the mean of its divisors is an integer number (496144001628).

Almost surely, 2^{7140654372181} is an apocalyptic number.

It is an amenable number.

7140654372181 is a deficient number, since it is larger than the sum of its proper divisors (797649653867).

7140654372181 is a wasteful number, since it uses less digits than its factorization.

7140654372181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348532.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 7140654372181 in words is "seven trillion, one hundred forty billion, six hundred fifty-four million, three hundred seventy-two thousand, one hundred eighty-one".