1387653045 has 32 divisors (see below), whose sum is σ = 2303078400. Its totient is φ = 712610304.

The previous prime is 1387653041. The next prime is 1387653053. The reversal of 1387653045 is 5403567831.

It is not a de Polignac number, because 1387653045 - 2² = 1387653041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1387652988 and 1387653006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387653041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162441 + ... + 170769.

It is an arithmetic number, because the mean of its divisors is an integer number (71971200).

Almost surely, 2^1387653045 is an apocalyptic number.

1387653045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1387653045 is a deficient number, since it is larger than the sum of its proper divisors (915425355).

1387653045 is a wasteful number, since it uses less digits than its factorization.

1387653045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8749.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 1387653045 is about 37251.2153493010. The cubic root of 1387653045 is about 1115.3905594201.

The spelling of 1387653045 in words is "one billion, three hundred eighty-seven million, six hundred fifty-three thousand, forty-five".