1311436406235 has 32 divisors (see below), whose sum is σ = 2129736890880. Its totient is φ = 688954387968.

The previous prime is 1311436406201. The next prime is 1311436406239. The reversal of 1311436406235 is 5326046341131.

It is not a de Polignac number, because 1311436406235 - 2¹³ = 1311436398043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1311436406193 and 1311436406202.

It is not an unprimeable number, because it can be changed into a prime (1311436406239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29131554 + ... + 29176536.

It is an arithmetic number, because the mean of its divisors is an integer number (66554277840).

Almost surely, 2^{1311436406235} is an apocalyptic number.

1311436406235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1311436406235 is a deficient number, since it is larger than the sum of its proper divisors (818300484645).

1311436406235 is a wasteful number, since it uses less digits than its factorization.

1311436406235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74067.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 1311436406235 in words is "one trillion, three hundred eleven billion, four hundred thirty-six million, four hundred six thousand, two hundred thirty-five".