1353400431533 has 4 divisors (see below), whose sum is σ = 1353702466908. Its totient is φ = 1353098396160.

The previous prime is 1353400431511. The next prime is 1353400431541. The reversal of 1353400431533 is 3351340043531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1258697754889 + 94702676644 = 1121917^2 + 307738^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353400431533 - 2²⁶ = 1353333322669 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1353400431493 and 1353400431502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353400431503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151010966 + ... + 151019927.

It is an arithmetic number, because the mean of its divisors is an integer number (338425616727).

Almost surely, 2^{1353400431533} is an apocalyptic number.

It is an amenable number.

1353400431533 is a deficient number, since it is larger than the sum of its proper divisors (302035375).

1353400431533 is an equidigital number, since it uses as much as digits as its factorization.

1353400431533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302035374.

The product of its (nonzero) digits is 97200, while the sum is 35.

The spelling of 1353400431533 in words is "one trillion, three hundred fifty-three billion, four hundred million, four hundred thirty-one thousand, five hundred thirty-three".