154130781237 has 16 divisors (see below), whose sum is σ = 207721212480. Its totient is φ = 101649814272.

The previous prime is 154130781223. The next prime is 154130781253. The reversal of 154130781237 is 732187031451.

It is not a de Polignac number, because 154130781237 - 2¹⁸ = 154130519093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154130786237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111028 + ... + 566205.

It is an arithmetic number, because the mean of its divisors is an integer number (12982575780).

Almost surely, 2^154130781237 is an apocalyptic number.

It is an amenable number.

154130781237 is a deficient number, since it is larger than the sum of its proper divisors (53590431243).

154130781237 is a wasteful number, since it uses less digits than its factorization.

154130781237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678052.

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 154130781237 in words is "one hundred fifty-four billion, one hundred thirty million, seven hundred eighty-one thousand, two hundred thirty-seven".