7540666134 has 16 divisors (see below), whose sum is σ = 15084922800. Its totient is φ = 2512956960.

The previous prime is 7540666103. The next prime is 7540666139. The reversal of 7540666134 is 4316660457.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7540666139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121909 + ... + 173040.

It is an arithmetic number, because the mean of its divisors is an integer number (942807675).

Almost surely, 2^7540666134 is an apocalyptic number.

7540666134 is an abundant number, since it is smaller than the sum of its proper divisors (7544256666).

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

7540666134 is a wasteful number, since it uses less digits than its factorization.

7540666134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299215.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 7540666134 is about 86837.0090111353. The cubic root of 7540666134 is about 1960.9652795991.

The spelling of 7540666134 in words is "seven billion, five hundred forty million, six hundred sixty-six thousand, one hundred thirty-four".