194144734 has 16 divisors (see below), whose sum is σ = 344296800. Its totient is φ = 80335584.

The previous prime is 194144729. The next prime is 194144749. The reversal of 194144734 is 437441491.

It is a junction number, because it is equal to n+sod(n) for n = 194144693 and 194144702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238689 + ... + 239500.

It is an arithmetic number, because the mean of its divisors is an integer number (21518550).

Almost surely, 2^194144734 is an apocalyptic number.

194144734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

194144734 is a deficient number, since it is larger than the sum of its proper divisors (150152066).

194144734 is a wasteful number, since it uses less digits than its factorization.

194144734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478227.

The product of its digits is 48384, while the sum is 37.

The square root of 194144734 is about 13933.5829562966. The cubic root of 194144734 is about 579.0399635146.

The spelling of 194144734 in words is "one hundred ninety-four million, one hundred forty-four thousand, seven hundred thirty-four".