7135519420 has 12 divisors (see below), whose sum is σ = 14984590824. Its totient is φ = 2854207760.

The previous prime is 7135519409. The next prime is 7135519427. The reversal of 7135519420 is 249155317.

It is a self number, because there is not a number n which added to its sum of digits gives 7135519420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7135519427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178387966 + ... + 178388005.

It is an arithmetic number, because the mean of its divisors is an integer number (1248715902).

Almost surely, 2^7135519420 is an apocalyptic number.

It is an amenable number.

7135519420 is an abundant number, since it is smaller than the sum of its proper divisors (7849071404).

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

7135519420 is a wasteful number, since it uses less digits than its factorization.

7135519420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356775980 (or 356775978 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 7135519420 is about 84472.0037645610. The cubic root of 7135519420 is about 1925.1970941165.

The spelling of 7135519420 in words is "seven billion, one hundred thirty-five million, five hundred nineteen thousand, four hundred twenty".