7125139974 has 16 divisors (see below), whose sum is σ = 14251917312. Its totient is φ = 2374773768.

The previous prime is 7125139937. The next prime is 7125140027. The reversal of 7125139974 is 4799315217.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7494 + ... + 119609.

It is an arithmetic number, because the mean of its divisors is an integer number (890744832).

Almost surely, 2^7125139974 is an apocalyptic number.

7125139974 is an abundant number, since it is smaller than the sum of its proper divisors (7126777338).

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

7125139974 is a wasteful number, since it uses less digits than its factorization.

7125139974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136451.

The product of its digits is 476280, while the sum is 48.

The square root of 7125139974 is about 84410.5442110167. The cubic root of 7125139974 is about 1924.2631664938.

The spelling of 7125139974 in words is "seven billion, one hundred twenty-five million, one hundred thirty-nine thousand, nine hundred seventy-four".