1390029000 has 64 divisors (see below), whose sum is σ = 4336899840. Its totient is φ = 370673600.

The previous prime is 1390028977. The next prime is 1390029001. The reversal of 1390029000 is 9200931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1390029001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228672 + ... + 234671.

It is an arithmetic number, because the mean of its divisors is an integer number (67764060).

Almost surely, 2^1390029000 is an apocalyptic number.

1390029000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1390029000 is an abundant number, since it is smaller than the sum of its proper divisors (2946870840).

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

1390029000 is a wasteful number, since it uses less digits than its factorization.

1390029000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463367 (or 463353 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 1390029000 is about 37283.0926828770. The cubic root of 1390029000 is about 1116.0267911504.

Adding to 1390029000 its reverse (9200931), we get a palindrome (1399229931).

The spelling of 1390029000 in words is "one billion, three hundred ninety million, twenty-nine thousand".