1914652194 has 192 divisors, whose sum is σ = 5044757760. Its totient is φ = 471398400.

The previous prime is 1914652171. The next prime is 1914652213. The reversal of 1914652194 is 4912564191.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21512902 + ... + 21512990.

It is an arithmetic number, because the mean of its divisors is an integer number (26274780).

Almost surely, 2^1914652194 is an apocalyptic number.

1914652194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1914652194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2522378880).

1914652194 is an abundant number, since it is smaller than the sum of its proper divisors (3130105566).

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

1914652194 is a wasteful number, since it uses less digits than its factorization.

1914652194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 186 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 1914652194 is about 43756.7388410060. The cubic root of 1914652194 is about 1241.7379795826.

The spelling of 1914652194 in words is "one billion, nine hundred fourteen million, six hundred fifty-two thousand, one hundred ninety-four".