1378147000 has 32 divisors (see below), whose sum is σ = 3224866320. Its totient is φ = 551258400.

The previous prime is 1378146989. The next prime is 1378147003. The reversal of 1378147000 is 7418731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378147003) 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, 688074 + ... + 690073.

Almost surely, 2^1378147000 is an apocalyptic number.

1378147000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1378147000 is an abundant number, since it is smaller than the sum of its proper divisors (1846719320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1378147000 is a wasteful number, since it uses less digits than its factorization.

1378147000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378168 (or 1378154 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 1378147000 is about 37123.4023225243. The cubic root of 1378147000 is about 1112.8377462090.

The spelling of 1378147000 in words is "one billion, three hundred seventy-eight million, one hundred forty-seven thousand".