1387505414 has 8 divisors (see below), whose sum is σ = 2082250368. Its totient is φ = 693421960.

The previous prime is 1387505393. The next prime is 1387505443. The reversal of 1387505414 is 4145057831.

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

It is a super-2 number, since 2×1387505414² = 3850342547758622792, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160097 + ... + 168540.

It is an arithmetic number, because the mean of its divisors is an integer number (260281296).

Almost surely, 2^1387505414 is an apocalyptic number.

1387505414 is a deficient number, since it is larger than the sum of its proper divisors (694744954).

1387505414 is a wasteful number, since it uses less digits than its factorization.

1387505414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330750.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 1387505414 is about 37249.2337370851. The cubic root of 1387505414 is about 1115.3510029272.

The spelling of 1387505414 in words is "one billion, three hundred eighty-seven million, five hundred five thousand, four hundred fourteen".