1374649990 has 16 divisors (see below), whose sum is σ = 2827851552. Its totient is φ = 471308544.

The previous prime is 1374649963. The next prime is 1374649999. The reversal of 1374649990 is 999464731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374649999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9818859 + ... + 9818998.

It is an arithmetic number, because the mean of its divisors is an integer number (176740722).

Almost surely, 2^1374649990 is an apocalyptic number.

1374649990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1374649990 is an abundant number, since it is smaller than the sum of its proper divisors (1453201562).

1374649990 is a wasteful number, since it uses less digits than its factorization.

1374649990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19637871.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 1374649990 is about 37076.2726012203. The cubic root of 1374649990 is about 1111.8956839113.

It can be divided in two parts, 13746 and 49990, that added together give a palindrome (63736).

The spelling of 1374649990 in words is "one billion, three hundred seventy-four million, six hundred forty-nine thousand, nine hundred ninety".