1307861438 has 8 divisors (see below), whose sum is σ = 2112699288. Its totient is φ = 603628344.

The previous prime is 1307861431. The next prime is 1307861453. The reversal of 1307861438 is 8341687031.

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

It is a junction number, because it is equal to n+sod(n) for n = 1307861395 and 1307861404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307861431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25151156 + ... + 25151207.

It is an arithmetic number, because the mean of its divisors is an integer number (264087411).

Almost surely, 2^1307861438 is an apocalyptic number.

1307861438 is a deficient number, since it is larger than the sum of its proper divisors (804837850).

1307861438 is a wasteful number, since it uses less digits than its factorization.

1307861438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50302378.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1307861438 is about 36164.3669652878. The cubic root of 1307861438 is about 1093.5884421271.

The spelling of 1307861438 in words is "one billion, three hundred seven million, eight hundred sixty-one thousand, four hundred thirty-eight".