1540895234 has 8 divisors (see below), whose sum is σ = 2316401868. Its totient is φ = 768761280.

The previous prime is 1540895227. The next prime is 1540895263. The reversal of 1540895234 is 4325980451.

It can be written as a sum of positive squares in 2 ways, for example, as 1536875209 + 4020025 = 39203^2 + 2005^2 .

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 = 1540895191 and 1540895200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842027 + ... + 843854.

Almost surely, 2^1540895234 is an apocalyptic number.

1540895234 is a deficient number, since it is larger than the sum of its proper divisors (775506634).

1540895234 is a wasteful number, since it uses less digits than its factorization.

1540895234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686340.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 1540895234 is about 39254.2384208381. The cubic root of 1540895234 is about 1155.0240767580.

The spelling of 1540895234 in words is "one billion, five hundred forty million, eight hundred ninety-five thousand, two hundred thirty-four".