1380406058 has 8 divisors (see below), whose sum is σ = 2070770052. Its totient is φ = 690149376.

The previous prime is 1380406051. The next prime is 1380406073. The reversal of 1380406058 is 8506040831.

It can be written as a sum of positive squares in 2 ways, for example, as 1322995129 + 57410929 = 36373^2 + 7577^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1380406051) 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, 26666 + ... + 58922.

Almost surely, 2^1380406058 is an apocalyptic number.

1380406058 is a deficient number, since it is larger than the sum of its proper divisors (690363994).

1380406058 is a wasteful number, since it uses less digits than its factorization.

1380406058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53656.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1380406058 is about 37153.8161969938. The cubic root of 1380406058 is about 1113.4454686636.

Adding to 1380406058 its reverse (8506040831), we get a palindrome (9886446889).

The spelling of 1380406058 in words is "one billion, three hundred eighty million, four hundred six thousand, fifty-eight".