2078274146 has 16 divisors (see below), whose sum is σ = 3358038264. Its totient is φ = 958967424.

The previous prime is 2078274137. The next prime is 2078274197. The reversal of 2078274146 is 6414728702.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1479248521 + 599025625 = 38461^2 + 24475^2 .

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, 142196 + ... + 156128.

Almost surely, 2^2078274146 is an apocalyptic number.

2078274146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2078274146 is a deficient number, since it is larger than the sum of its proper divisors (1279764118).

2078274146 is a wasteful number, since it uses less digits than its factorization.

2078274146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19685.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 2078274146 is about 45588.0921513502. The cubic root of 2078274146 is about 1276.1477085356.

The spelling of 2078274146 in words is "two billion, seventy-eight million, two hundred seventy-four thousand, one hundred forty-six".