1540736029 has 32 divisors (see below), whose sum is σ = 1872898560. Its totient is φ = 1239017472.

The previous prime is 1540736017. The next prime is 1540736039. The reversal of 1540736029 is 9206370451.

It is not a de Polignac number, because 1540736029 - 2¹⁹ = 1540211741 is a prime.

It is a super-2 number, since 2×1540736029² = 4747735022117377682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540736009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3960567 + ... + 3960955.

It is an arithmetic number, because the mean of its divisors is an integer number (58528080).

Almost surely, 2^1540736029 is an apocalyptic number.

It is an amenable number.

1540736029 is a deficient number, since it is larger than the sum of its proper divisors (332162531).

1540736029 is a wasteful number, since it uses less digits than its factorization.

1540736029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 1540736029 is about 39252.2104982637. The cubic root of 1540736029 is about 1154.9842964326.

The spelling of 1540736029 in words is "one billion, five hundred forty million, seven hundred thirty-six thousand, twenty-nine".