1540153234 has 8 divisors (see below), whose sum is σ = 2311763328. Its totient is φ = 769565460.

The previous prime is 1540153217. The next prime is 1540153247. The reversal of 1540153234 is 4323510451.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 251802 + ... + 257845.

It is an arithmetic number, because the mean of its divisors is an integer number (288970416).

Almost surely, 2^1540153234 is an apocalyptic number.

1540153234 is a deficient number, since it is larger than the sum of its proper divisors (771610094).

1540153234 is a wasteful number, since it uses less digits than its factorization.

1540153234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511160.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1540153234 is about 39244.7860740761. The cubic root of 1540153234 is about 1154.8386508993.

Adding to 1540153234 its reverse (4323510451), we get a palindrome (5863663685).

It can be divided in two parts, 15401 and 53234, that added together give a triangular number (68635 = T₃₇₀).

The spelling of 1540153234 in words is "one billion, five hundred forty million, one hundred fifty-three thousand, two hundred thirty-four".