1419192990 has 48 divisors (see below), whose sum is σ = 3722582448. Its totient is φ = 375099648.

The previous prime is 1419192967. The next prime is 1419192991. The reversal of 1419192990 is 992919141.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1419192991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59604 + ... + 79943.

It is an arithmetic number, because the mean of its divisors is an integer number (77553801).

Almost surely, 2^1419192990 is an apocalyptic number.

1419192990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1419192990 is an abundant number, since it is smaller than the sum of its proper divisors (2303389458).

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

1419192990 is a wasteful number, since it uses less digits than its factorization.

1419192990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139673 (or 139670 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

The square root of 1419192990 is about 37672.1779301383. The cubic root of 1419192990 is about 1123.7778965962. Note that the first 3 decimals are identical.

The spelling of 1419192990 in words is "one billion, four hundred nineteen million, one hundred ninety-two thousand, nine hundred ninety".