7137135953 has 4 divisors (see below), whose sum is σ = 7137325668. Its totient is φ = 7136946240.

The previous prime is 7137135917. The next prime is 7137135961. The reversal of 7137135953 is 3595317317.

7137135953 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 190246849 + 6946889104 = 13793^2 + 83348^2 .

It is a cyclic number.

It is not a de Polignac number, because 7137135953 - 2²² = 7132941649 is a prime.

It is a super-2 number, since 2×7137135953² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7137135253) 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, 17276 + ... + 120717.

It is an arithmetic number, because the mean of its divisors is an integer number (1784331417).

Almost surely, 2^7137135953 is an apocalyptic number.

It is an amenable number.

7137135953 is a deficient number, since it is larger than the sum of its proper divisors (189715).

7137135953 is a wasteful number, since it uses less digits than its factorization.

7137135953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189714.

The product of its digits is 297675, while the sum is 44.

The square root of 7137135953 is about 84481.5716769048. The cubic root of 7137135953 is about 1925.3424659044.

The spelling of 7137135953 in words is "seven billion, one hundred thirty-seven million, one hundred thirty-five thousand, nine hundred fifty-three".