1386354081 has 8 divisors (see below), whose sum is σ = 2112539584. Its totient is φ = 792202320.

The previous prime is 1386354071. The next prime is 1386354121. The reversal of 1386354081 is 1804536831.

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

It is not a de Polignac number, because 1386354081 - 2⁹ = 1386353569 is a prime.

It is a super-2 number, since 2×1386354081² = 3843955275810709122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1386354061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33008410 + ... + 33008451.

It is an arithmetic number, because the mean of its divisors is an integer number (264067448).

Almost surely, 2^1386354081 is an apocalyptic number.

It is an amenable number.

1386354081 is a deficient number, since it is larger than the sum of its proper divisors (726185503).

1386354081 is an equidigital number, since it uses as much as digits as its factorization.

1386354081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66016871.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1386354081 is about 37233.7760776422. The cubic root of 1386354081 is about 1115.0424165595.

The spelling of 1386354081 in words is "one billion, three hundred eighty-six million, three hundred fifty-four thousand, eighty-one".