1380408231 has 16 divisors (see below), whose sum is σ = 1885879424. Its totient is φ = 897662304.

The previous prime is 1380408167. The next prime is 1380408233. The reversal of 1380408231 is 1328040831.

It is not a de Polignac number, because 1380408231 - 2⁶ = 1380408167 is a prime.

It is a super-2 number, since 2×1380408231² = 3811053768425098722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380408233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94725 + ... + 108321.

It is an arithmetic number, because the mean of its divisors is an integer number (117867464).

Almost surely, 2^1380408231 is an apocalyptic number.

1380408231 is a deficient number, since it is larger than the sum of its proper divisors (505471193).

1380408231 is a wasteful number, since it uses less digits than its factorization.

1380408231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14430.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1380408231 is about 37153.8454402771. The cubic root of 1380408231 is about 1113.4460529157.

The spelling of 1380408231 in words is "one billion, three hundred eighty million, four hundred eight thousand, two hundred thirty-one".