1950187157 has 16 divisors (see below), whose sum is σ = 2102962560. Its totient is φ = 1804638528.

The previous prime is 1950187139. The next prime is 1950187159. The reversal of 1950187157 is 7517810591.

It is a cyclic number.

It is not a de Polignac number, because 1950187157 - 2⁶ = 1950187093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1950187159) 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 15 ways as a sum of consecutive naturals, for example, 58328 + ... + 85454.

It is an arithmetic number, because the mean of its divisors is an integer number (131435160).

Almost surely, 2^1950187157 is an apocalyptic number.

It is an amenable number.

1950187157 is a deficient number, since it is larger than the sum of its proper divisors (152775403).

1950187157 is a wasteful number, since it uses less digits than its factorization.

1950187157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27260.

The product of its (nonzero) digits is 88200, while the sum is 44.

The square root of 1950187157 is about 44160.9234165229. The cubic root of 1950187157 is about 1249.3729456549.

The spelling of 1950187157 in words is "one billion, nine hundred fifty million, one hundred eighty-seven thousand, one hundred fifty-seven".