1405136073 has 16 divisors (see below), whose sum is σ = 2044886976. Its totient is φ = 851159040.

The previous prime is 1405136063. The next prime is 1405136077. The reversal of 1405136073 is 3706315041.

It is not a de Polignac number, because 1405136073 - 2⁶ = 1405136009 is a prime.

It is a super-2 number, since 2×1405136073² = 3948814767291722658, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1405136073.

It is not an unprimeable number, because it can be changed into a prime (1405136077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61161 + ... + 80937.

It is an arithmetic number, because the mean of its divisors is an integer number (127805436).

Almost surely, 2^1405136073 is an apocalyptic number.

It is an amenable number.

1405136073 is a deficient number, since it is larger than the sum of its proper divisors (639750903).

1405136073 is a wasteful number, since it uses less digits than its factorization.

1405136073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21944.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 1405136073 is about 37485.1446975999. The cubic root of 1405136073 is about 1120.0552887779.

The spelling of 1405136073 in words is "one billion, four hundred five million, one hundred thirty-six thousand, seventy-three".