651550134 has 16 divisors (see below), whose sum is σ = 1348035120. Its totient is φ = 209694240.

The previous prime is 651550121. The next prime is 651550139. The reversal of 651550134 is 431055156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651550139) 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, 1872097 + ... + 1872444.

It is an arithmetic number, because the mean of its divisors is an integer number (84252195).

Almost surely, 2^651550134 is an apocalyptic number.

651550134 is an abundant number, since it is smaller than the sum of its proper divisors (696484986).

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

651550134 is a wasteful number, since it uses less digits than its factorization.

651550134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744575.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 651550134 is about 25525.4800934282. The cubic root of 651550134 is about 866.9271672208.

The spelling of 651550134 in words is "six hundred fifty-one million, five hundred fifty thousand, one hundred thirty-four".