1387534153 has 4 divisors (see below), whose sum is σ = 1387717120. Its totient is φ = 1387351188.

The previous prime is 1387534111. The next prime is 1387534199. The reversal of 1387534153 is 3514357831.

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.

It is a cyclic number.

It is not a de Polignac number, because 1387534153 - 2¹³ = 1387525961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1387534553) 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, 79593 + ... + 95446.

It is an arithmetic number, because the mean of its divisors is an integer number (346929280).

Almost surely, 2^1387534153 is an apocalyptic number.

It is an amenable number.

1387534153 is a deficient number, since it is larger than the sum of its proper divisors (182967).

1387534153 is an equidigital number, since it uses as much as digits as its factorization.

1387534153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182966.

The product of its digits is 151200, while the sum is 40.

The square root of 1387534153 is about 37249.6195014124. The cubic root of 1387534153 is about 1115.3587035221.

The spelling of 1387534153 in words is "one billion, three hundred eighty-seven million, five hundred thirty-four thousand, one hundred fifty-three".