209150734 has 8 divisors (see below), whose sum is σ = 337858920. Its totient is φ = 96531096.

The previous prime is 209150687. The next prime is 209150737. The reversal of 209150734 is 437051902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 209150696 and 209150705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209150737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4022104 + ... + 4022155.

It is an arithmetic number, because the mean of its divisors is an integer number (42232365).

Almost surely, 2^209150734 is an apocalyptic number.

209150734 is a deficient number, since it is larger than the sum of its proper divisors (128708186).

209150734 is a wasteful number, since it uses less digits than its factorization.

209150734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8044274.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 209150734 is about 14462.0445995717. The cubic root of 209150734 is about 593.5898474947.

It can be divided in two parts, 2091 and 50734, that added together give a palindrome (52825).

The spelling of 209150734 in words is "two hundred nine million, one hundred fifty thousand, seven hundred thirty-four".