1381697430 has 16 divisors (see below), whose sum is σ = 3316073904. Its totient is φ = 368452640.

The previous prime is 1381697411. The next prime is 1381697441. The reversal of 1381697430 is 347961831.

It is a congruent number.

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, 23028261 + ... + 23028320.

It is an arithmetic number, because the mean of its divisors is an integer number (207254619).

Almost surely, 2^1381697430 is an apocalyptic number.

1381697430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1381697430 is an abundant number, since it is smaller than the sum of its proper divisors (1934376474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1381697430 is a wasteful number, since it uses less digits than its factorization.

1381697430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46056591.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1381697430 is about 37171.1908606652. The cubic root of 1381697430 is about 1113.7925704334.

The spelling of 1381697430 in words is "one billion, three hundred eighty-one million, six hundred ninety-seven thousand, four hundred thirty".