154731539397 has 16 divisors (see below), whose sum is σ = 206774979840. Its totient is φ = 102921495552.

The previous prime is 154731539383. The next prime is 154731539401. The reversal of 154731539397 is 793935137451.

It is not a de Polignac number, because 154731539397 - 2²³ = 154723150789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154731539357) 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, 2356068 + ... + 2420850.

It is an arithmetic number, because the mean of its divisors is an integer number (12923436240).

Almost surely, 2^154731539397 is an apocalyptic number.

It is an amenable number.

154731539397 is a deficient number, since it is larger than the sum of its proper divisors (52043440443).

154731539397 is an equidigital number, since it uses as much as digits as its factorization.

154731539397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66572.

The product of its digits is 10716300, while the sum is 57.

The spelling of 154731539397 in words is "one hundred fifty-four billion, seven hundred thirty-one million, five hundred thirty-nine thousand, three hundred ninety-seven".