1397908141 has 16 divisors (see below), whose sum is σ = 1706019840. Its totient is φ = 1119565440.

The previous prime is 1397908129. The next prime is 1397908151. The reversal of 1397908141 is 1418097931.

It is not a de Polignac number, because 1397908141 - 2⁷ = 1397908013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397908111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104776 + ... + 117361.

It is an arithmetic number, because the mean of its divisors is an integer number (106626240).

Almost surely, 2^1397908141 is an apocalyptic number.

It is an amenable number.

1397908141 is a deficient number, since it is larger than the sum of its proper divisors (308111699).

1397908141 is a wasteful number, since it uses less digits than its factorization.

1397908141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222204.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 1397908141 is about 37388.6097762407. The cubic root of 1397908141 is about 1118.1314882638.

The spelling of 1397908141 in words is "one billion, three hundred ninety-seven million, nine hundred eight thousand, one hundred forty-one".