1248135923154 has 16 divisors (see below), whose sum is σ = 2576796744960. Its totient is φ = 402624491280.

The previous prime is 1248135923119. The next prime is 1248135923159. The reversal of 1248135923154 is 4513295318421.

It is not an unprimeable number, because it can be changed into a prime (1248135923159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3355203909 + ... + 3355204280.

It is an arithmetic number, because the mean of its divisors is an integer number (161049796560).

Almost surely, 2^{1248135923154} is an apocalyptic number.

1248135923154 is an abundant number, since it is smaller than the sum of its proper divisors (1328660821806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1248135923154 is a wasteful number, since it uses less digits than its factorization.

1248135923154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6710408225.

The product of its digits is 1036800, while the sum is 48.

The spelling of 1248135923154 in words is "one trillion, two hundred forty-eight billion, one hundred thirty-five million, nine hundred twenty-three thousand, one hundred fifty-four".