1552405135 has 16 divisors (see below), whose sum is σ = 1967708160. Its totient is φ = 1173906720.

The previous prime is 1552405117. The next prime is 1552405147. The reversal of 1552405135 is 5315042551.

It is not a de Polignac number, because 1552405135 - 2¹¹ = 1552403087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 1552405097 and 1552405106.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 109795 + ... + 123124.

It is an arithmetic number, because the mean of its divisors is an integer number (122981760).

Almost surely, 2^1552405135 is an apocalyptic number.

1552405135 is a deficient number, since it is larger than the sum of its proper divisors (415303025).

1552405135 is a wasteful number, since it uses less digits than its factorization.

1552405135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232998.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1552405135 is about 39400.5727750245. The cubic root of 1552405135 is about 1157.8928092242.

Adding to 1552405135 its reverse (5315042551), we get a palindrome (6867447686).

The spelling of 1552405135 in words is "one billion, five hundred fifty-two million, four hundred five thousand, one hundred thirty-five".