1387542702 has 160 divisors (see below), whose sum is σ = 3613962240. Its totient is φ = 352658880.

The previous prime is 1387542701. The next prime is 1387542757. The reversal of 1387542702 is 2072457831.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387542701) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5805499 + ... + 5805737.

It is an arithmetic number, because the mean of its divisors is an integer number (22587264).

Almost surely, 2^1387542702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1387542702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1806981120).

1387542702 is an abundant number, since it is smaller than the sum of its proper divisors (2226419538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1387542702 is a wasteful number, since it uses less digits than its factorization.

1387542702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 1387542702 is about 37249.7342540856. The cubic root of 1387542702 is about 1115.3609942001.

The spelling of 1387542702 in words is "one billion, three hundred eighty-seven million, five hundred forty-two thousand, seven hundred two".