1385057451 has 16 divisors (see below), whose sum is σ = 1856443680. Its totient is φ = 918535680.

The previous prime is 1385057411. The next prime is 1385057461. The reversal of 1385057451 is 1547505831.

It is not a de Polignac number, because 1385057451 - 2¹⁷ = 1384926379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1385057411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503941 + ... + 506681.

It is an arithmetic number, because the mean of its divisors is an integer number (116027730).

Almost surely, 2^1385057451 is an apocalyptic number.

1385057451 is a deficient number, since it is larger than the sum of its proper divisors (471386229).

1385057451 is a wasteful number, since it uses less digits than its factorization.

1385057451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566.

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 1385057451 is about 37216.3599912727. The cubic root of 1385057451 is about 1114.6946823011.

The spelling of 1385057451 in words is "one billion, three hundred eighty-five million, fifty-seven thousand, four hundred fifty-one".