7531420134 has 32 divisors (see below), whose sum is σ = 17634548736. Its totient is φ = 2099350080.

The previous prime is 7531420103. The next prime is 7531420163. The reversal of 7531420134 is 4310241357.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2185102 + ... + 2188545.

It is an arithmetic number, because the mean of its divisors is an integer number (551079648).

Almost surely, 2^7531420134 is an apocalyptic number.

7531420134 is an abundant number, since it is smaller than the sum of its proper divisors (10103128602).

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

7531420134 is a wasteful number, since it uses less digits than its factorization.

7531420134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373700.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 7531420134 is about 86783.7550120989. The cubic root of 7531420134 is about 1960.1634715453.

The spelling of 7531420134 in words is "seven billion, five hundred thirty-one million, four hundred twenty thousand, one hundred thirty-four".