1351650138 has 8 divisors (see below), whose sum is σ = 2703300288. Its totient is φ = 450550044.

The previous prime is 1351650121. The next prime is 1351650191. The reversal of 1351650138 is 8310561531.

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

1351650138 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1351650099 and 1351650108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112637506 + ... + 112637517.

It is an arithmetic number, because the mean of its divisors is an integer number (337912536).

Almost surely, 2^1351650138 is an apocalyptic number.

1351650138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1351650138 is a wasteful number, since it uses less digits than its factorization.

1351650138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225275028.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 1351650138 is about 36764.7948178689. The cubic root of 1351650138 is about 1105.6595744179.

The spelling of 1351650138 in words is "one billion, three hundred fifty-one million, six hundred fifty thousand, one hundred thirty-eight".