7290137131 has 4 divisors (see below), whose sum is σ = 7541521200. Its totient is φ = 7038753064.

The previous prime is 7290137119. The next prime is 7290137137. The reversal of 7290137131 is 1317310927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1317310927 = 353 ⋅3731759.

It is a cyclic number.

It is not a de Polignac number, because 7290137131 - 2¹⁹ = 7289612843 is a prime.

It is a super-2 number, since 2×7290137131² (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 (7290137137) 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, 125691991 + ... + 125692048.

It is an arithmetic number, because the mean of its divisors is an integer number (1885380300).

Almost surely, 2^7290137131 is an apocalyptic number.

7290137131 is a deficient number, since it is larger than the sum of its proper divisors (251384069).

7290137131 is a wasteful number, since it uses less digits than its factorization.

7290137131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251384068.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 7290137131 is about 85382.2998694694. The cubic root of 7290137131 is about 1939.0033789682.

The spelling of 7290137131 in words is "seven billion, two hundred ninety million, one hundred thirty-seven thousand, one hundred thirty-one".