7148011540 has 24 divisors (see below), whose sum is σ = 15015847392. Its totient is φ = 2858247840.

The previous prime is 7148011523. The next prime is 7148011583. The reversal of 7148011540 is 451108417.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3075 + ... + 119605.

It is an arithmetic number, because the mean of its divisors is an integer number (625660308).

Almost surely, 2^7148011540 is an apocalyptic number.

It is an amenable number.

7148011540 is an abundant number, since it is smaller than the sum of its proper divisors (7867835852).

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

7148011540 is a wasteful number, since it uses less digits than its factorization.

7148011540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119607 (or 119605 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 7148011540 is about 84545.9137983617. The cubic root of 7148011540 is about 1926.3199169377.

Adding to 7148011540 its reverse (451108417), we get a palindrome (7599119957).

The spelling of 7148011540 in words is "seven billion, one hundred forty-eight million, eleven thousand, five hundred forty".