15400086154 has 8 divisors (see below), whose sum is σ = 23126352228. Its totient is φ = 7691302080.

The previous prime is 15400086151. The next prime is 15400086161. The reversal of 15400086154 is 45168000451.

It can be written as a sum of positive squares in 2 ways, for example, as 12628590129 + 2771496025 = 112377^2 + 52645^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (15400086151) 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, 4368297 + ... + 4371820.

Almost surely, 2^15400086154 is an apocalyptic number.

15400086154 is a deficient number, since it is larger than the sum of its proper divisors (7726266074).

15400086154 is an equidigital number, since it uses as much as digits as its factorization.

15400086154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8741000.

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 15400086154 in words is "fifteen billion, four hundred million, eighty-six thousand, one hundred fifty-four".