391202348132 has 12 divisors (see below), whose sum is σ = 703106923260. Its totient is φ = 190314655776.

The previous prime is 391202348129. The next prime is 391202348209. The reversal of 391202348132 is 231843202193.

It can be written as a sum of positive squares in 2 ways, for example, as 371156319076 + 20046029056 = 609226^2 + 141584^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321629407 + ... + 1321629702.

It is an arithmetic number, because the mean of its divisors is an integer number (58592243605).

Almost surely, 2^391202348132 is an apocalyptic number.

It is an amenable number.

391202348132 is a deficient number, since it is larger than the sum of its proper divisors (311904575128).

391202348132 is a wasteful number, since it uses less digits than its factorization.

391202348132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643259150 (or 2643259148 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 391202348132 in words is "three hundred ninety-one billion, two hundred two million, three hundred forty-eight thousand, one hundred thirty-two".