1378117403 has 8 divisors (see below), whose sum is σ = 1488872448. Its totient is φ = 1268040384.

The previous prime is 1378117373. The next prime is 1378117421. The reversal of 1378117403 is 3047118731.

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

It is a de Polignac number, because none of the positive numbers 2^k-1378117403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1378117423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165275 + ... + 173412.

It is an arithmetic number, because the mean of its divisors is an integer number (186109056).

Almost surely, 2^1378117403 is an apocalyptic number.

1378117403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1378117403 is a deficient number, since it is larger than the sum of its proper divisors (110755045).

1378117403 is a wasteful number, since it uses less digits than its factorization.

1378117403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339013.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 1378117403 is about 37123.0036904343. The cubic root of 1378117403 is about 1112.8297797404.

The spelling of 1378117403 in words is "one billion, three hundred seventy-eight million, one hundred seventeen thousand, four hundred three".