1397908102 has 8 divisors (see below), whose sum is σ = 2098217016. Its totient is φ = 698502432.

The previous prime is 1397908097. The next prime is 1397908103. The reversal of 1397908102 is 2018097931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397908103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221928 + ... + 228139.

It is an arithmetic number, because the mean of its divisors is an integer number (262277127).

Almost surely, 2^1397908102 is an apocalyptic number.

1397908102 is a deficient number, since it is larger than the sum of its proper divisors (700308914).

1397908102 is a wasteful number, since it uses less digits than its factorization.

1397908102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451622.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 1397908102 is about 37388.6092546915. The cubic root of 1397908102 is about 1118.1314778656.

The spelling of 1397908102 in words is "one billion, three hundred ninety-seven million, nine hundred eight thousand, one hundred two".