154796138953 has 4 divisors (see below), whose sum is σ = 161526405888. Its totient is φ = 148065872020.

The previous prime is 154796138929. The next prime is 154796138969. The reversal of 154796138953 is 359831697451.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 359831697451 = 283 ⋅1271490097.

It is a cyclic number.

It is not a de Polignac number, because 154796138953 - 2¹⁷ = 154796007881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154796138891 and 154796138900.

It is not an unprimeable number, because it can be changed into a prime (154796138753) 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, 3365133433 + ... + 3365133478.

It is an arithmetic number, because the mean of its divisors is an integer number (40381601472).

Almost surely, 2^154796138953 is an apocalyptic number.

It is an amenable number.

154796138953 is a deficient number, since it is larger than the sum of its proper divisors (6730266935).

154796138953 is an equidigital number, since it uses as much as digits as its factorization.

154796138953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6730266934.

The product of its digits is 24494400, while the sum is 61.

The spelling of 154796138953 in words is "one hundred fifty-four billion, seven hundred ninety-six million, one hundred thirty-eight thousand, nine hundred fifty-three".