1386574137 has 24 divisors (see below), whose sum is σ = 2158176384. Its totient is φ = 852768864.

The previous prime is 1386574127. The next prime is 1386574139. The reversal of 1386574137 is 7314756831.

It is not a de Polignac number, because 1386574137 - 2¹² = 1386570041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1386574092 and 1386574101.

It is not an unprimeable number, because it can be changed into a prime (1386574139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321598 + ... + 325880.

It is an arithmetic number, because the mean of its divisors is an integer number (89924016).

Almost surely, 2^1386574137 is an apocalyptic number.

It is an amenable number.

1386574137 is a deficient number, since it is larger than the sum of its proper divisors (771602247).

1386574137 is a wasteful number, since it uses less digits than its factorization.

1386574137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7069 (or 7066 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 1386574137 is about 37236.7310192503. The cubic root of 1386574137 is about 1115.1014103370.

It can be divided in two parts, 138 and 6574137, that multiplied together give a triangular number (907230906 = T₄₂₅₉₆).

The spelling of 1386574137 in words is "one billion, three hundred eighty-six million, five hundred seventy-four thousand, one hundred thirty-seven".