7919256148 has 12 divisors (see below), whose sum is σ = 13861247092. Its totient is φ = 3958899840.

The previous prime is 7919256139. The next prime is 7919256167. The reversal of 7919256148 is 8416529197.

It can be written as a sum of positive squares in 2 ways, for example, as 2490808464 + 5428447684 = 49908^2 + 73678^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7919256095 and 7919256104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157215 + ... + 201382.

Almost surely, 2^7919256148 is an apocalyptic number.

It is an amenable number.

7919256148 is a deficient number, since it is larger than the sum of its proper divisors (5941990944).

7919256148 is a wasteful number, since it uses less digits than its factorization.

7919256148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364122 (or 364120 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 52.

The square root of 7919256148 is about 88990.2025393807. The cubic root of 7919256148 is about 1993.2485804790.

The spelling of 7919256148 in words is "seven billion, nine hundred nineteen million, two hundred fifty-six thousand, one hundred forty-eight".