154130781238 has 16 divisors (see below), whose sum is σ = 264883119264. Its totient is φ = 65891318400.

The previous prime is 154130781223. The next prime is 154130781253. The reversal of 154130781238 is 832187031451.

It is an interprime number because it is at equal distance from previous prime (154130781223) and next prime (154130781253).

It is a junction number, because it is equal to n+sod(n) for n = 154130781194 and 154130781203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13721745 + ... + 13732972.

It is an arithmetic number, because the mean of its divisors is an integer number (16555194954).

Almost surely, 2^154130781238 is an apocalyptic number.

154130781238 is a deficient number, since it is larger than the sum of its proper divisors (110752338026).

154130781238 is a wasteful number, since it uses less digits than its factorization.

154130781238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27455127.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 154130781238 in words is "one hundred fifty-four billion, one hundred thirty million, seven hundred eighty-one thousand, two hundred thirty-eight".