7135720500 has 48 divisors (see below), whose sum is σ = 20779222464. Its totient is φ = 1902858400.

The previous prime is 7135720499. The next prime is 7135720531. The reversal of 7135720500 is 50275317.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 2377074 + ... + 2380073.

It is an arithmetic number, because the mean of its divisors is an integer number (432900468).

Almost surely, 2^7135720500 is an apocalyptic number.

It is an amenable number.

7135720500 is an abundant number, since it is smaller than the sum of its proper divisors (13643501964).

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

7135720500 is a wasteful number, since it uses less digits than its factorization.

7135720500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4757169 (or 4757157 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 7135720500 is about 84473.1939729995. The cubic root of 7135720500 is about 1925.2151780602.

Adding to 7135720500 its reverse (50275317), we get a palindrome (7185995817).

The spelling of 7135720500 in words is "seven billion, one hundred thirty-five million, seven hundred twenty thousand, five hundred".