1386055148 has 6 divisors (see below), whose sum is σ = 2425596516. Its totient is φ = 693027572.

The previous prime is 1386055147. The next prime is 1386055171. The reversal of 1386055148 is 8415506831.

It is a super-2 number, since 2×1386055148² = 3842297746594603808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1386055147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173256890 + ... + 173256897.

It is an arithmetic number, because the mean of its divisors is an integer number (404266086).

Almost surely, 2^1386055148 is an apocalyptic number.

It is an amenable number.

1386055148 is a deficient number, since it is larger than the sum of its proper divisors (1039541368).

1386055148 is a wasteful number, since it uses less digits than its factorization.

1386055148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346513791 (or 346513789 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 1386055148 is about 37229.7615893521. The cubic root of 1386055148 is about 1114.9622670172.

The spelling of 1386055148 in words is "one billion, three hundred eighty-six million, fifty-five thousand, one hundred forty-eight".